7700 Multiframe Manual
7725DSK-LG / 7725DSK-LG-HD HD/SD Logo Inserter & Media Keyer
INSTALLATION Revision 1.4 Page 2-3
"
The RS-422 pinout for the SERIAL CONTROL and COM D ports is not a standard
SMPTE RS422 pinout. You will have to make a custom cable in order to use
these ports in the RS422 configuration.
Pin # Name Description
1
GND Chassis ground
2
Tx- RS-422 Tx-(A) Output
3
Rx- RS-422 Rx-(A) Input
4
5
GND
6
7
Rx+ RS-422 Rx+(B) Input
8
Tx+ RS-422 Tx+(B) Output
9
GND
Table 2-2: Serial Port C and D – RS422 Pin Definitions
The function of each port must be configured using the Serial Control and Com D menu items on the
GENERAL menu. (See section 3.5.1 for VLPRO Configuration Settings and section 4.6.8 for Remote
Control Configuration Settings).
2.1.3.1. Serial Port Pin Out Definitions
Table 2-3 shows the pin out definitions for the 15 pin serial port on the rear plate.
Pin # Name Description
1
CTS+ Comm Port B Clear To Send
2
RTS+ Comm Port B Request To Send
3
RXD+ Comm Port B Receive Data
4
RTS- Comm Port B Request To Send
5
GND Ground
6
Tx Comm Port C Transmit Data
7
RTS Comm Port C Request To Send
8
Rx Comm Port C Receive Data
9
CTS Comm Port C Clear To Send
10
LTC - Local Time Code
11
RTS Comm Port D Request To Send
12
Rx Comm Port D Receive Data
13
Tx Comm Port D Transmit Data
14
CTS Comm Port D Clear To Send
15
LTC + Local Time Code
Table 2-3: Serial Port Pin Definitions