ADLINK TRL-40 - Manual (Page 22)

12 Introduction
Table 1-2: Rear I/O Panel Legend
Serial Port Connector (COM1)
VGA Connector.
A VGA
B RS-232/422/485
C 4x USB 2.0
D NIC0
E NIC1
Pin # RS-232 RS422 RS485
1 DCD, Data Carrier Detect TXD- Data-
2 RXD, Receive Data TXD+ Data+
3 TXD, Transmit Data RXD+ --
4 DTR, Data Terminal Ready RXD- --
5 GND, ground GND GND
6 DSR, Data Set Ready -- --
7 RTS, Request to Send -- --
8 CTS, Clear to Send -- --
9 RI, Ring Indicator -- --
Signal Name Pin # Pin # Signal Name
Red 1 2 Green
Blue 3 4 VCC pull-up
GND 5 6 GND
GND 7 8 GND
VCC 9 10 GND
VCC pull-up 11 12 DDC2B DATA
HSYNC 13 14 VSYNC
DDC2B CLK 15