Com Port Connector - PSB -1688LF Operation Manual

Chapter 2 Hardware Configuration

2-4. COM PORT CONNECTOR

COM1 : COM1 Connector, fixed as RS-232.
The pin assignment is as follows :
PIN
1
2
3
4
5
6
7
8
9
COM2 : COM2 Connector, selectable as RS-232/422/485.
The pin assignment is as follows :
PIN
1
2
3
4
5
6
7
8
9
10
All COM port's pin 9 is selectable for RI, +5V and +12V.
For more information, please refer to our "COM Port RI &
Voltage Selection".
Page: 2-6
ASSIGNMENT
NDCDA
NSINA
NSOUTA
NDTRA
GND
NDSRA
NRTSA
NCTSA
JNRIA
ASSIGNMENT
RS-232 RS-422
NDCDB TX-
NRXDB TX+
NTXDB RX+
NDTRB RX-
GND GND
NDSRB RTS-
NRTSB RTS+
NCTSB CTS+
JNRIB CTS-
NC NC
RS-485
TX-
TX+
RX+
RX-
GND
NC
NC
NC
NC
NC
PSB-1688LF USER
COM1
'
S MANUAL