Note: Direction is DTE (Computer) relative DCE (Modem)
RS232 data is usually sent as a packet with 7 or 8 bit words, start, stop, parity bits (may be varied). Sample transmission shown on picture: Start bit (active low, usually between +3v and +15v) followed by data bits, parity bit (depends on protocol used) and finished by stop bit (used to bring logic high, usually between -3v and -15v).
Typical PC mouse controlling system has the following parts: sensors -> mouse controller -> communication link -> data interface -> driver -> software. Sensors are the movement detectors which sense the mouse movement and button swiches which sense the button states. Mouse controller reads the state of those sensors and takes acount of current mouse position. When this information changes the mouse controller sends a packet of data to the computer serial data interface controller. The mouse driver in the computer received that data packet and decodes the information from it and does actions based on the information.
Mouse takes standard RS-232C output signals (+-12V) as its input signals. Those outputs are in +12V when mouse is operated. Mouse takes some current from each of the RS-232C port output lines it is connected (about 10mA). Mouse send data to computer in levels that RS-232C receiver chip in the computer can uderstand as RS-232C input levels. Mouse outputs are normally something like +-5V, 0..5V or sometimes +-12V. Mouse electronics normally use +5V voltage.
PC serial mouse uses typically DTR and RTS lines for generating +5V power for microcontroller circuit in the mouse. Because typical optomechanical mouse also needs power for 4 leds in the optocoupler movevement detectors, there is not much power to loose. A typical approach is to use diodes to take current from DTR and RTS lines and then feed it through resistor to all of the (infrared) leds in the movement detectors. The positive power supply usually taken from RTS and DTR lines (just after the diodes and before the resistor going to leds). The negative supply for transmitter is taken from TD pin. Typical PC serial port mouse takes 10 mA total current and operates at voltage range of 6-15V. The data itself in sent using standard asynchronous RS-232C serial format:
shell | Protective Ground | |
3 | TD | Serial data from host to mouse (only for power) |
2 | RD | Serial data from mouse to host |
7 | RTS | Positive voltage to mouse |
8 | CTS | |
6 | DSR | |
5 | Signal Ground | |
4 | DTR | Positive voltage to mouse and reset/detection |
RTS = Request to Send CTS = Clear to Send DSR = Data Set Ready DTR = Data Terminal Ready
When DTR line is toggled, mouse should send one data byte containing letter M (ascii 77) to identify itself. To function correctly, both the RTS and DTR lines must be positive. The lines DTR-DSR and RTS-CTS must NOT be shorted. Implement the RTS toggle function by setting the RTS line negative and positive again. The negative pulse width is at least 100ms. After a cold boot, the RTS line is usually set to a negative level. In this case, setting the RTS line to a positive level is also considered an RTS toggle.
1200bps, 7 databits, 1 stop-bit
Data packet is 3 byte packet. It is send to the computer every time mouse state changes (mouse moves or keys are pressed/released).
Note: The bit marked with X is 0 if the mouse received with 7 databits and 2 stop bits format. It is also possible to use 8 databits and 1 stop bit format for receiving. In this case X gets value 1. The safest thing to get everything working is to use 7 databits and 1 stopbit when receiving mouse information (and if you are making mouse then send out 7 databits and 2 stop bits).
The byte marked with 1. is send first, then the others. The bit D6 in the first byte is used for syncronizing the software to mouse packets if it goes out of sync.
LB is the state of the left button (1 means pressed down); RB is the state of the right button (1 means pressed down); X7-X0 movement in X direction since last packet (signed byte); Y7-Y0 movement in Y direction since last packet (signed byte)
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I am having a problem creating a cable to connect with two devices. The first devisce is an Intellivue MP70 that I want to connect to the RS232 port using an RJ45 end. On the other side there should also be a RJ45 connection that should be connected to a Lantronix EDS-MD Server, and i can't figure out the pin assignment.
I got the following image:
And the following table:
However, as you can see this is a connection from RJ45 to DB9. How do I translate this so i get RJ45 on both ends of the cable?
I can also mention that I have access to a RJ45 to Screw terminal adaptor on one side.
You can remap the DB9 to the RJ45 of your Lantronix EDS-MD. i have found a adapter 'pin out' in the user manual. there are Adapters and Serial Port Pinouts listet - in the overview there is one cable described as
500-153- RJ45-to DB9F Connects the RJ45 RS232 serial port s of EDS-MD to a DB9M DTE interface of a PC or serial device to check that serial ports in the EDS- MD are functioning properly.
but this one has no drawing.. so i looked at the rest and searched for the 'DB9M DTE'
200.2070A Adapter RJ45-to- DB9F Allows a standard straight-pinned CA T5 cable to connect the EDS-MD to the DB9M DTE interface of a PC or serial device.
for this is a drawing on page 96: http://www.lantronix.com/pdf/EDS-MD_UG.pdf#page=96&zoom=auto,-169,21 the only problem is there is no direct naming of the signals. but i think you can use the DB9 Pinout to match your mentioned DB9. So your table would be as following:
DB9 List from Wikipedia ( http://de.wikipedia.org/wiki/RS-232#Verkabelung_und_Stecker )
DTE – data terminal equipment DCE – data circuit-terminating equipment
Name is seen from DTE site.
pleas check again - eventually you have to exchange TxD & RxD on one site...
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RS232 monitoring hardware establishes a connection between data terminal equipment (DTE) and data communication equipment (DCE). In order to link these devices, an RS232 D9 pinout is essential, as this pinout will allow you to connect two devices successfully.
1. Data Carrier Detect – After a data terminal is detected, a signal is sent to the data set that is going to be transmitted to the terminal.
2. Received Data – The data set receives the initial signal via the receive data line (RxD).
3. Transmitted Data – The data terminal gets a signal from the data set, a confirmation that there is a connection between the data terminal and the data set.
4. Data Terminal Ready – A positive voltage is applied to the data terminal ready (DTR) line, a sign that the data terminal is prepared for the transmission of data.
5. Signal Ground – A return for all the signals on a single interface, the signal ground (SG) offers a return path for serial communications. Without SG, serial data cannot be transmitted between devices.
6. Data Set Ready – A positive voltage is applied to the data set ready (DSR) line, which ensures the serial communications between a data terminal and a data set can be completed.
7. Request to Send – A positive voltage indicates the request to send (RTS) can be performed, which means the data set is able to send information to the data terminal without interference.
8. Clear to Send – After a connection has been established between a data terminal and a distant modem, a clear to send (CS) signal ensures the data terminal recognizes that communications can be performed.
9. Ring Indicator – The ring indicator (RI) signal will be activated if a modem that operates as a data set detects low frequency. When this occurs, the data terminal is alerted, but the RI will not stop the flow of serial data between devices.
Understanding the ins and outs of the 9 pin RS232 cable pinout can be challenging for even experienced design services professionals. But with support from a proven engineering team, you can optimize the transmission of data via a RS232 9 pin pinout.
Stratus Engineering supplies a broad array of RS232 hardware monitoring solutions , along with application expertise and extensive hardware and software engineering experience. To learn more how we support electronics and software for embedded systems, please contact us today at 858-663-1841.
This document describes the hardware interface and software protocols of RS-232 interface communication between the ViewSonic LED Display and computers or other control units with RS-232 protocol.
ViewSonic RS-232 serial port on the lower left side:
Pin # | Signal | Remark | |
---|---|---|---|
Female DB 9-Pin | 1 | NC | |
2 | TXD | Output from Display | |
3 | RXD | Input to Display | |
4 | NC | ||
5 | GND | GND | |
6 | NC | ||
7 | NC | ||
8 | NC | ||
9 | NC | ||
frame | GND |
Baud Rate Select: | 9600bps (fixed) |
Data Bits: | 8 bits (fixed) |
Parity: | None (fixed) |
Stop Bits: | 1 (fixed) |
Function | Command Code (Hex) | HEX | Data Range |
---|---|---|---|
Power on/off(standby):STBY | 21 | 38 30 31 73 21 30 30 30 0D | |
Power on/off(standby):ON | 21 | 38 30 31 73 21 30 30 31 0D | |
Input Select:USB auto play | 22 | 38 30 31 73 22 30 30 33 0D | |
Input Select:HDMI1 | 22 | 38 30 31 73 22 30 30 34 0D | |
Input Select:HDMI2 | 22 | 38 30 31 73 22 30 31 34 0D | |
Input Select:HDMI3 | 22 | 38 30 31 73 22 30 32 34 0D | |
Input Select:HDMI4 | 22 | 38 30 31 73 22 30 33 34 0D | |
Brightness | 24 | 38 30 31 73 24 3X 3X 3X 0D | 000-100 |
Brightness:Bright down (-1) | 24 | 38 30 31 73 24 39 30 30 0D | |
Brightness:Bright up (+1) | 24 | 38 30 31 73 24 39 30 31 0D | |
Power lock:Unlock | 34 | 38 30 31 73 34 30 30 30 0D | |
Power lock:Lock | 34 | 38 30 31 73 34 30 30 31 0D | |
Volume | 35 | 38 30 31 73 35 3X 3X 3X 0D | 000-100 |
Volume:Volume down(-1) | 35 | 38 30 31 73 35 39 30 30 0D | |
Volume:Volume up(+1) | 35 | 38 30 31 73 35 39 30 31 0D | |
Mute:OFF | 36 | 38 30 31 73 36 30 30 30 0D | |
Mute:ON | 36 | 38 30 31 73 36 30 30 31 0D | |
Button lock:Unlock | 38 | 38 30 31 73 38 30 30 30 0D | |
Button lock:Lock | 38 | 38 30 31 73 38 30 30 31 0D | |
Menu lock:Unlock | 3E | 38 30 31 73 3E 30 30 30 0D | |
Menu lock:Lock | 3E | 38 30 31 73 3E 30 30 31 0D | |
Key Pad:UP | 41 | 38 30 31 73 41 30 30 30 0D | |
Key Pad:DOWN | 41 | 38 30 31 73 41 30 30 31 0D | |
Key Pad:LEFT | 41 | 38 30 31 73 41 30 30 32 0D | |
Key Pad:RIGHT | 41 | 38 30 31 73 41 30 30 33 0D | |
Key Pad:ENTER | 41 | 38 30 31 73 41 30 30 34 0D | |
Key Pad:INPUT | 41 | 38 30 31 73 41 30 30 35 0D | |
Key Pad:MENU/(EXIT) | 41 | 38 30 31 73 41 30 30 36 0D | |
Key Pad:EXIT | 41 | 38 30 31 73 41 30 30 37 0D | |
Key Pad:power on/off | 41 | 38 30 31 73 41 30 30 38 0D | |
Key Pad:inputlist | 41 | 38 30 31 73 41 30 30 39 0D | |
Key Pad:brightness | 41 | 38 30 31 73 41 30 31 30 0D | |
Key Pad:blank | 41 | 38 30 31 73 41 30 31 31 0D | |
Key Pad:home | 41 | 38 30 31 73 41 30 31 32 0D | |
Key Pad:volume+ | 41 | 38 30 31 73 41 30 31 33 0D | |
Key Pad:volume- | 41 | 38 30 31 73 41 30 31 34 0D | |
Key Pad:next | 41 | 38 30 31 73 41 30 31 35 0D | |
Key Pad:previous | 41 | 38 30 31 73 41 30 31 36 0D | |
Key Pad:mute | 41 | 38 30 31 73 41 30 31 37 0D | |
Key Pad:play | 41 | 38 30 31 73 41 30 31 38 0D | |
Remote Control:Disable | 42 | 38 30 31 73 42 30 30 30 0D | |
Remote Control:Enable | 42 | 38 30 31 73 42 30 30 31 0D | |
Restore default | 7E | 38 30 31 73 7E 30 30 30 0D | |
Input Select: Cycle | 22 | 38 30 31 73 22 30 30 5A 0D | |
Contrast | 23 | 38 30 31 73 23 3X 3X 3X 0D | 000-100 |
Sharpness | 25 | 38 30 31 73 25 3X 3X 3X 0D | 000-100 |
Color | 26 | 38 30 31 73 26 3X 3X 3X 0D | 000-100 |
Tint | 27 | 38 30 31 73 27 3X 3X 3X 0D | 000-100 |
Color mode:Normal | 29 | 38 30 31 73 29 30 30 30 0D | |
Color mode:Warm | 29 | 38 30 31 73 29 30 30 31 0D | |
Color mode:Cold | 29 | 38 30 31 73 29 30 30 32 0D | |
Color mode:Personal | 29 | 38 30 31 73 29 30 30 33 0D | |
Freeze:Off | 2A | 38 30 31 73 2A 30 30 30 0D | |
Freeze:On | 2A | 38 30 31 73 2A 30 30 31 0D | |
Bass | 2E | 38 30 31 73 2E 3X 3X 3X 0D | 000-024 |
Treble | 2F | 38 30 31 73 2F 3X 3X 3X 0D | 000-024 |
zoom mode:FULL(16:9) | 31 | 38 30 31 73 31 30 30 30 0D | |
zoom mode:NORMAL (4:3) | 31 | 38 30 31 73 31 30 30 31 0D | |
zoom mode:REAL (1:1) | 31 | 38 30 31 73 31 30 30 32 0D | |
zoom mode:21:9 | 31 | 38 30 31 73 31 30 30 33 0D | |
OSD language:English | 32 | 38 30 31 73 32 30 30 30 0D | |
OSD language:French | 32 | 38 30 31 73 32 30 30 31 0D | |
OSD language:Spanish | 32 | 38 30 31 73 32 30 30 32 0D | |
OSD language:German | 32 | 38 30 31 73 32 30 30 33 0D | |
OSD language:Russian | 32 | 38 30 31 73 32 30 30 34 0D | |
OSD language:Dutch | 32 | 38 30 31 73 32 30 30 35 0D | |
OSD language:T-Chinese | 32 | 38 30 31 73 32 30 30 36 0D | |
OSD language:S-Chinese | 32 | 38 30 31 73 32 30 30 37 0D | |
OSD language:Turkish | 32 | 38 30 31 73 32 30 30 38 0D | |
OSD language:Arabic | 32 | 38 30 31 73 32 30 30 39 0D | |
PBP-Mode:Full Screen | 39 | 38 30 31 73 39 30 30 30 0D | |
PBP-Mode:Dual Screen | 39 | 38 30 31 73 39 30 30 31 0D | |
PBP-Mode:Three-part Screen | 39 | 38 30 31 73 39 30 30 32 0D | |
PBP-Mode:Quad Screen | 39 | 38 30 31 73 39 30 30 33 0D | |
PBP-Sound select:Main | 3A | 38 30 31 73 3A 30 30 30 0D | |
PBP-Sound select:Sub | 3A | 38 30 31 73 3A 30 30 31 0D | |
Date: Year | 56 | 38 30 31 73 56 59 3X 3X 0D | 17-99 |
Date: Month | 56 | 38 30 31 73 56 4D 3X 3X 0D | 01-12 |
Date: Day | 56 | 38 30 31 73 56 44 3X 3X 0D | 01-31 |
Time: Hour | 57 | 38 30 31 73 57 48 3X 3X 0D | 00-23 |
Time: Min | 57 | 38 30 31 73 57 4D 3X 3X 0D | 00-59 |
Time: Sec | 57 | 38 30 31 73 57 53 3X 3X 0D | 00-59 |
Get-Brightness | 62 | 38 30 31 67 62 30 30 30 0D | |
Get-Volume | 66 | 38 30 31 67 66 30 30 30 0D | |
Get-Mute | 67 | 38 30 31 67 67 30 30 30 0D | |
Get-Input select | 6A | 38 30 31 67 6A 30 30 30 0D | |
Get-Power status | 6C | 38 30 31 67 6C 30 30 30 0D | |
Get-Remote control | 6E | 38 30 31 67 6E 30 30 30 0D | |
Get-Power lock | 6F | 38 30 31 67 6F 30 30 30 0D | |
Get-Button lock | 70 | 38 30 31 67 70 30 30 30 0D | |
Get-Menu lock | 71 | 38 30 31 67 71 30 30 30 0D | |
Get-ACK | 7A | 38 30 31 67 7A 30 30 30 0D | |
Get-Thermal | 30 | 38 30 31 67 30 30 30 30 0D | |
Get-Operation hour | 31 | 38 30 31 67 31 30 30 30 0D | |
Get-Device name | 34 | 38 30 31 67 34 30 30 30 0D | |
Get-MAC address | 35 | 38 30 31 67 35 30 30 30 0D | |
Get-IP address | 36 | 38 30 31 67 36 30 30 30 0D | |
Get-Serial number | 37 | 38 30 31 67 37 30 30 30 0D | |
Get-FW version | 38 | 38 30 31 67 38 30 30 30 0D | |
Get-Contrast | 61 | 38 30 31 67 61 30 30 30 0D | |
Get-Sharpness | 63 | 38 30 31 67 63 30 30 30 0D | |
Get-Color | 64 | 38 30 31 67 64 30 30 30 0D | |
Get-Tint | 65 | 38 30 31 67 65 30 30 30 0D | |
Get Freeze | 69 | 38 30 31 67 69 30 30 30 0D | |
Get-PBP mode | 74 | 38 30 31 67 74 30 30 30 0D | |
Get-Date: Year | 32 | 38 30 31 67 32 59 30 30 0D | |
Get-Date: Month | 32 | 38 30 31 67 32 4D 30 30 0D | |
Get-Date: Day | 32 | 38 30 31 67 32 44 30 30 0D | |
Get-Time: Hour | 33 | 38 30 31 67 33 48 30 30 0D | |
Get-Time: Min | 33 | 38 30 31 67 33 4D 30 30 0D | |
Get-Time: Sec | 33 | 38 30 31 67 33 53 30 30 0D |
Assumed the accumulated operation time is 00,123,456 hrs.
The capital city of Yaroslavl oblast: Yaroslavl .
Yaroslavl Oblast is a federal subject of Russia, part of the Central Federal District. Yaroslavl is the capital city of the region.
The population of Yaroslavl Oblast is about 1,227,400 (2022), the area - 36,177 sq. km.
Yaroslavl oblast coat of arms.
Yaroslavl oblast latest news and posts from our blog:.
13 January, 2024 / Unique 15-domed Church of St. John the Baptist in Yaroslavl .
18 May, 2021 / Yaroslavl - the view from above .
7 February, 2020 / Rybinsk - the view from above .
16 April, 2019 / Tutayev - the view from above .
10 March, 2019 / Evening in snow-covered Yaroslavl .
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The first people settled on the territory of the Yaroslavl region at the end of the late Paleolithic (about 22-15 thousand years ago), after the retreat of the last glacier, when its territory was covered by the glacial tundra, on which herds of mammoths grazed. At the beginning of the second millennium BC (Bronze Age), from the Middle Dnieper, the cattle-breeding tribes of the Indo-Europeans came to this region.
In the second half of the first millennium AD, the territory of the region was populated by the Merya. In the 9th-10th centuries, the Slavs began to settle in the Upper Volga region. The Yaroslavl region became the core of the Russian lands. The first Russian town in its territory was Rostov, which was mentioned in the chronicles in 862.
In 882, Kiev became the capital of the Russian lands and Rostov became the administrative center of the North-Eastern Russia (Rostov Principality). Among the famous princes of Rostov were Boris (one of the first Russian saints) and Yaroslav the Wise, who founded the town of Yaroslavl in 1010. According to the legend, Yaroslav subdued the local pagan tribes, when he axed the “sacred” bear they worshipped. The coat of arms of Yaroslavl reminds of this event.
From the second half of the 11th century, centrifugal tendencies were intensifying. The centers of four principalities were located on the territory of the Yaroslavl region. In 1238, the North-Eastern Russia was devastated during the Mongol invasion and became dependent on the Golden Horde.
More historical facts…
In the second half of the 13th - the beginning of the 14th centuries, the towns of the North-Eastern Russia were repeatedly ravaged as a result of raids. In 1463, the territory of the Yaroslavl region peacefully became part of the Grand Duchy of Moscow. After the foundation of Arkhangelsk, Yaroslavl became an important transit point on the way from Moscow to this northern port.
In the 17th century, the old Russian architecture was experiencing a new upsurge. In Yaroslavl, Rostov Veliky, Romanov-Borisoglebsk, Uglich, Kostroma, a lot of masterpieces of Russian architecture were created. The complex of Tolga monastery was formed, the center of which was the Vvedensky Cathedral (1681-1683). During the 17th century, more than 40 stone religious buildings were built in Yaroslavl.
The territory of the Yaroslavl region was badly damaged during the Time of Troubles. In 1777, Yaroslavl gubernia (province) was formed. In 1850, the Yaroslavl Tobacco Factory was established. In 1879, with the participation of Mendeleev, the Yaroslavl Oil Refinery was established. In 1870, the railway connected Yaroslavl with Moscow, and, in 1872 - with Vologda.
During the Civil War, there were no active military operations on the territory of the region, with the exception of the Yaroslavl and Rybinsk uprisings, which caused heavy damage to these towns.
After the forced industrialization of the 1930s, the sectoral structure of the local economy changed. Engineering and chemical industry became the main branches of the economy, while the traditional textile industry moved to the third place. In 1936, Yaroslavl Oblast was formed with the following three main cities - Yaroslavl, Rybinsk and Kostroma.
In 1944, Kostroma Oblast was separated from Yaroslavl Oblast. Since then, the boundaries of the region have not changed much. In 1935, the construction of the Rybinsk hydroelectric power station began, which led to the appearance of a vast Rybinsk reservoir on the Volga River and the flooding of the town of Mologa.
During the Second World War, more than 500,000 residents of the Yaroslavl region went to the front, more than 200,000 people were killed. After the war, the construction of the Rybinsk hydroelectric power station and the filling of the Rybinsk reservoir were completed.
In 1962, the Novo-Yaroslavl Refinery was opened, production of gasoline, fuel oil, kerosene, raw materials for the production of rubber, plastics, varnishes began. In this regard, the ecological situation in Yaroslavl deteriorated sharply. In the 1960s-1990s, Yaroslavl was invariably among the 50 most polluted cities of the USSR. In 1970, to the centenary of the birth of V.I. Lenin, a university was opened in Yaroslavl.
Summer in Yaroslavl Oblast
Author: Oleg Komarov
Haymaking time in the Yaroslavl region
Author: Andrey Zakharov
Winter in Yaroslavl Oblast
Author: Pershin S.V.
Yaroslavl Oblast is located in the north of the European part of Russia, in the center of the East European Plain. The length of the region from north to south is 270 km, from west to east - 220 km. It has an advantageous geographical location - close proximity to Moscow and St. Petersburg.
The climate is moderately continental, with long cold winters and short warm summers. The average temperature in January is minus 11 degrees Celsius, in July - plus 18 degrees Celsius. The largest cities and towns of Yaroslavl Oblast are Yaroslavl (594,000), Rybinsk (179,600), Tutayev (39,500), Pereslavl-Zalessky (36,700), Uglich (31,100), Rostov (30,100).
The main natural resources are mainly building materials (sand, gravel, clay), peat and mineral waters. On the Volga River, there are two reservoirs: Uglich and Rybinsk (the largest in Central Russia). There are more than 80 lakes in the region, the largest of them are Lake Nero and Lake Pleshcheyevo.
On the territory of the region there are two specially protected natural territories of federal significance: the Darwin State Natural Biosphere Reserve and the National Park “Plescheevo Lake”.
Yaroslavl Oblast is one of the most industrialized regions in Russia. The leading industries are machine building and metalworking, food, chemical and petrochemical industries. This region is one of the largest dairy producers in the country (cheese, butter, cottage cheese, etc.).
The highway of federal significance M8 “Kholmogory”, connecting the region with Moscow, Vologda and Arkhangelsk, passes through the Yaroslavl region.
Yaroslavl Oblast is the territory where Russian statehood, culture, language originated, the most important historical events took place, the region of ancient towns and classical Russian landscapes. In total, there are more than 5,000 monuments of history and culture.
The famous tourist route “Golden Ring of Russia” passes through Pereslavl-Zalessky, Rostov Veliky, Yaroslavl. The Volga River is the main cruise tourism route in Russia, cruise ships stop in Uglich, Myshkin, Rybinsk, Tutayev, Yaroslavl.
In 2005, the historical center of Yaroslavl was included in the UNESCO World Heritage List. All 11 towns of the Yaroslavl region, as well as the village of Borisoglebsky and the village of Velikoye are historical settlements. Their preserved architectural complexes have great scientific, cultural and aesthetic significance.
The Transfiguration Cathedral (1152) in Pereslavl-Zalessky is the oldest building in Central Russia. St. John the Baptist Church with 15 domes, located in Yaroslavl, is depicted on the reverse side of the Russian banknote of 1000 rubles.
In the Yaroslavl region there are more than different 250 museums. The largest museums are located in majestic architectural complexes:
The most popular non-state museums are the museum “Music and Time” in Yaroslavl, the Flatiron Museum in Pereslavl-Zalessky, the Museum of Myths and Superstitions in Uglich, the Museum of the Coachman in Gavrilov-Yam. Myshkin, a small provincial town, is known for its unique collection of mice. Connoisseurs of Russian literature are attracted by the former estate of N.A. Nekrasov “Karabikha”, and lovers of ecological tourism - by the national park “Plescheevo Lake.”
This region is a traditional venue for numerous exhibitions and festivals, in particular the festival of choral and bell music “Transfiguration”, the music festival “Jazz on the Volga”, the international Volkov Festival of Provincial Theaters and others. The main Maslenitsa of Russia is celebrated in Yaroslavl. In July, in Pereslavl-Zalessky, the International Festival of Aeronautics “Golden Ring of Russia” is held.
The lives of many famous Russians were linked with this land. Prince Alexander Nevsky was born in Pereslavl-Zalessky. The village of Varnitsa, located near the town of Rostov, is the birthplace of St. Sergius of Radonezh. On Pleshcheevo Lake, young Peter I laid the foundations of the Russian fleet. Valentina Tereshkova, the world’s first woman cosmonaut, was born in the village of Bolshoe Maslennikovo in Tutaevsky district.
Yaroslavl Oblast scenery
Yaroslavl Oblast - a great place for a river cruise
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Country life in the Yaroslavl region
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Golden autumn in Yaroslavl Oblast
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Village in the Yaroslavl region
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Paved road in Yaroslavl Oblast
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Author: Mikhail Grizly
Yaroslavl Oblast landscape
Abandoned church in Yaroslavl Oblast
Beautiful churches of the Yaroslavl region
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RS232 Connector Pin Assignment. RS232 Cable Information. DB 9 and DB 25 Connection. The original pin layout for RS232 was developed for a 25 pins D sub connector. In this pin-out provisions were made for a secondary communication channel. In practice, only one communication channel with accompanying handshaking is present.
Also, in common use are cables with a 25-pin D-sub connector on one end and a RS-232 9-pin connector on the other. Any equipment with 8P8C connectors is usually provided with a cable that has a DB-9 or a DB-25.
The pin diagram is an essential tool for technicians and engineers working with RS232 serial communication. It helps them correctly identify and connect the pins on the serial cable, ensuring proper data transmission between devices. Understanding the pin assignments and their functions is crucial for troubleshooting and configuring serial communication setups.
RS232 serial connector pin assignment The RS232 connector was originally developed to use 25 pins. In this DB25 connector pinout provisions were made for a secondary serial RS232 communication channel. In practice, only one serial communication channel with accompanying handshaking is present.
Pinout of RS-232 (EIA-232) serial interface and layout of 25 pin D-SUB male connector and 25 pin D-SUB female connectorRS-232 is the standard serial communications interface found on many types of equipment such as computers, modems, printers, Microcontrollers, eprom programmers, and a host of other devices. RS232 pinout may be varied.
RS232 manages communication flowing between the DTE and DCE using serial pinouts of either the DB9 or DB25 variety. These D-sub connectors can terminate with an RS232 female pinout or DB25 or DB9 male connector pins. Each pin in a 9 or 25 serial connector pinout has its own distinct function. You can also learn RS485 pinout.
RS232 cable The cables provide the necessary electrical connection for the terminals during data transfer. Thus RS232 terminals should not be connected with ordinary cables. The 9-pin DB9 cables are used to connect with the RS232 standard. Since the connection is between the DTE and DCE, the pins are assigned a 1:1 order.
RS232 Pin Configuration New RS232 has nine pins as mentioned earlier. These nine pins are arranged in the port as shown in RS232 Connector Pinout. The DCE and DTE ports are exactly similar except for the direction of data flow. These nine pins are roughly divided in to three categories and we will discuss each category below.
RS232 Serial Port Connector Pin Layout RS-232 is a serial communications standard that provides asynchronous and synchronous communication capabilities, such as hardware flow control, software flow control, and parity check.
The standard specifies the electrical voltage levels, signal timing, and connector pin assignments for serial communication. Despite the emergence of newer protocols, RS232 retains its significance in certain applications, thanks to its simplicity and widespread support.
RS232 Cable Information DB 9 and DB 25 Connection The original pin layout for RS232 was developed for a 25 pins D sub connector. In this pin-out provisions were made for a secondary communication channel. In practice, only one communication channel with accompanying handshaking is present.
RS-232 cables are a type of serial cable that uses the RS-232 standard. These cables have 25 pins. Unlike other types of data cabling, RS-232 is not used for video or audio signals. Instead, it is only used to transmit digital data such as binary code from one device to another. The most common usage of RS-232 cables is in configuration and control equipment, where it is often interfaced with ...
RS232 serial connector pin assignment. The RS232 connector was originally developed to use 25 pins. In this DB25 connector pinout provisions were made for a secondary serial RS232 communication channel. In practice, only one serial communication channel with accompanying handshaking is present.
RS-232. A DB-25 connector as described in the RS-232 standard. Data circuit-terminating equipment (DCE) and data terminal equipment (DTE) network. In telecommunications, RS-232 or Recommended Standard 232 [ 1] is a standard originally introduced in 1960 [ 2] for serial communication transmission of data. It formally defines signals connecting ...
Pinout of PC serial port (RS-232 DE9) and layout of 9 pin D-SUB male connector and 10 pin IDC male connectorThis RS232C DE-9 (usually miscalled DB-9) port is available in some PCs and many other devices. An RS-232 serial port was once a standard feature of a personal computer, used for connections to modems, printers, mice, data storage, uninterruptible power supplies, and other peripheral ...
This document provides a diagram and description of the pin assignments for a 9-pin RS232 connector cable. The cable uses a 9-pin SUB-D connector on each end and assigns signals like Transmit Data, Receive Data, Data Terminal Ready, Signal Ground, Data Set Ready, Request To Send, Clear To Send, and Ring Indicator to specific pins while keeping others unused.
1 I am having a problem creating a cable to connect with two devices. The first devisce is an Intellivue MP70 that I want to connect to the RS232 port using an RJ45 end. On the other side there should also be a RJ45 connection that should be connected to a Lantronix EDS-MD Server, and i can't figure out the pin assignment.
RS232 serial port monitoring hardware stands out for a number of reasons, including its 9 pin RS232 pinout. This pinout can make a world of difference for successful RS232 serial communications. Thus, it is important to understand how the 9 pin RS232 cable pinout can affect the flow of serial data between devices.
The document discusses various RS232 connector types, pin assignments, and cable configurations. It provides diagrams of DB9 and DB25 connectors showing the pin assignments for transmit, receive and handshake signals. It also describes null modem cables and cables for connecting devices like printers, monitors and loopback tests.
ViewSonic RS-232 serial port on the lower left side: Connector type: DB 9-Pin Female; Use of straight-through parallel cable for connection; Pin Assignment: Pin # Signal Remark Female DB 9-Pin 1 NC 2 TXD Output from Display 3 RXD Input to Display 4 NC 5 GND GND 6 NC 7 NC 8 NC 9 NC frame GND RS-232 Communication Setting ...
Borisoglebsky District ( Russian: Борисогле́бский райо́н) is an administrative [1] and municipal [7] district ( raion ), one of the seventeen in Yaroslavl Oblast, Russia. It is located in the center of the oblast. The area of the district is 1,750 square kilometers (680 sq mi). [2] Its administrative center is the urban locality (a work settlement) of Borisoglebsky. [1 ...
Yaroslavl Oblast is located in the north of the European part of Russia, in the center of the East European Plain. The length of the region from north to south is 270 km, from west to east - 220 km. It has an advantageous geographical location - close proximity to Moscow and St. Petersburg. The climate is moderately continental, with long cold ...
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Rostov (Russian: Росто́в, IPA: [rɐˈstof]) is a town in Yaroslavl Oblast, Russia, one of the oldest in the country and a tourist center of the Golden Ring. It is located on the shores of Lake Nero, 202 kilometers (126 mi) northeast of Moscow. Population: 30,406 ( 2021 Census); [ 8 ]31,792 ( 2010 Russian census); [ 3 ]34,141 ( 2002 ...