User guide

13
6623-2211
Modem Serial Port (DCE Female)
Position Name Direction Description
5 1
9 6
1 DCD Out Data Carrier Detect
2 RxD Out Receive Data
3 TxD In Transmit Data
4 DTR In Data Terminal Ready
5 SG – Signal Ground
6 DSR Out Data Set Ready
7 RTS IN Request to Send
8 CTS Out Clear to Send
9 RI Out Ring Indicator
Modem Serial Port (DCE Male)
Position Name Direction Description
1 5
6 9
1 DCD In Data Carrier Detect
2 RxD In Receive Data
3 TxD Out Transmit Data
4 DTR Out Data Terminal Ready
5 SG – Signal Ground
6 DSR In Data Set Ready
7 RTS Out Request to Send
8 CTS In Clear to Send
9 RI In Ring Indicator
Digital Input
Position Direction Description
1 In Channel 1 – (Common)
2 In Channel 1 +
3 In Channel 2 – (Common)
4 In Channel 2 +
The ground connection terminals on the digital input connector are at the same potential as the power supply
ground.
Westermo recommends that the unused plug connectors for the digital I/O-ports are connected to the unit at all
times.
Digital Output
Position Direction Description
1 Out Channel 1 – (Common)
2 Out Channel 1 +
3 Out Channel 2 – (Common)
4 Out Channel 2 +
The ground connection terminals on the digital output connector are at the same potential as the power supply
ground.
Westermo recommends that the unused plug connectors for the digital I/O-ports are connected to the unit at all
times.
Modem Serial Ports (DCE Female)
(for details, see next page)