ADLINK EOS-1200 - Manual (Page 27)

Introduction 15
EOS-1200
1.7.3 DB-62P COM Port Connector
The EOS-1200 provides four COM ports with DB-62P Connector
on the back panel, with cable connect to DB-62P connector to
extend four D-SUB 9-pin connectors, at COM1, COM2,
COM3,and COM4. COM1 & COM2 can support RS-232/ RS-422/
RS-485 modes based on BIOS settings, and COM3 and COM4
ports support only RS-232. Pin assignments are as follows.
Table 1-10: DB-62P Connector Pin Assignment
PIN Signal Name PIN Signal Name
PIN
Signal Name
1 COM3_TXD 22 COM3_RXD 43 COM3_CTS#
2 COM3_DTR# 23 COM3_DSR# 44 COM3_RTS#
3 COM3_RI# 24 COM3_DCD# 45 GND
4 COM4_TXD 25 COM4_RXD 46 COM4_CTS#
5 COM4_DTR# 26 COM4_DSR# 47 COM4_RTS#
6 COM4_RI# 27 COM4_DCD# 48 GND
7 COM1_TXD 28 COM1_RXD 49 COM1_CTS#
8 COM1_DTR# 29 COM1_DSR# 50 COM1_RTS#
9 COM1_RI# 30 COM1_DCD# 51 GND
10 COM2_TXD 31 COM2_RXD 52 COM2_CTS#
11 COM2_DTR# 32 COM2_DSR# 53 COM2_RTS#
12 COM2_RI# 33 COM2_DCD# 54 GND
13-21 N/C 34-42 N/C 55-62 N/C