Paradyne 3160-A2-GB21-50 Power Input Connector, Optional DC Power Cable, External Clock Interface

ACCULINK 316x DSU/CSU

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-11shows 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

D-16 January 1997 3160-A2-GB21-50