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ACCULINK 316x DSU/CSU
D-16 January 1997 3160-A2-GB21-50
Power Input Connector
The input power connector leads are shown in
Table D-10.
Table D-10
DC Power Connector
Signal
Pin Number
–48 Vdc Return 1, 2
–48 Vdc A 6
–48 Vdc B 5
+24 Vdc 5
+24 Vdc Return 4
Chassis Ground 3
Optional DC Power Cable
The power cable is a 14.5-foot, 18 AWG stranded
cable. The connector is terminated at one end with a
6-position connector. The other end of the cable is
terminated with a bare wire that should be connected to a
dc power source. Figure D-11 shows the wire colors. The
power source can be either a single source of +24 Vdc or
up to two sources of –48 Vdc (A and B). You cannot
connect +24 Vdc and –48 Vdc to the same unit. See the
installation instructions in Chapter 2, Installation.
Figure D-11. DC Power Cable
External Clock Interface
The External Clock connector pinouts are in
Table D-11.
Table D-11
External Clock Connector
Signal
Pin Number
Shield 1
Clock (+) (RS422 only) 2
Clock (–) (RS422 only) 3
Clock In (RS423 only) 9
Signal Common 11