User`s guide

C. Connectors, Cables, and Pin Assignments
C-2
May 2002 7990-A2-GB20-00
Power Input Connector
The input power connector leads are shown in Table C-1, Power Input Connector.
Pin 1 is at the lower right of the connector and Pin 6 at the upper left as you face
the back of the unit.
COM Port Connector
The COM port connector is an 8-position unkeyed modular jack (see Table C-2,
COM Port Connector (J6)). The data signals on this port are referenced to a DTE
interface.
Table C-1. Power Input Connector
Pin Number Wire Color Signal
1Black 48 Vdc Return
2Red 48 Vdc Return
3 Green Ground
4 White +24 Vdc Return
5 Orange 48 Vdc
+24 Vdc
6 Blue No Connection
99-16291
23
546
1
Table C-2. COM Port Connector (J6)
Signal Direction Pin Number
Transmit Clock to DTE (Out) 1
DCE Received Data to DTE (Out) 2
Signal Ground 3
DCE Transmit Data from DTE (IN) 4
DCE Data Terminal Ready from DTE (IN) 5
DCE Carrier Detect to DTE Out) 6
DCE Request to Send from DTE (IN) 7
Receive Clock to DTE (Out) 8