ACCULINK 3163 DSU/CSUD-14 March 1999 3163-A2-GB20-10Power ConnectorThe power connector leads are shown in Table D-8. Asshown in Figure D-10, Pin 1 is at the lower right of theconnector and Pin 6 at the upper left as you face the backof the unit.Table D-8Rear Panel Power ConnectorSignal Pin Number– 48 Vdc Return 1, 2– 48 Vdc A 6– 48 Vdc B 5+24 Vdc 5+24 Vdc Return 4Chassis Ground 399-16291235 461Figure D-10. Rear Panel Power ConnectorOptional DC Power CableThe power cable is a 14.5-foot, 18 AWG strandedcable. The connector is terminated at one end with a6-position connector. The other end of the cable isterminated with a bare wire that should be connected to adc power source. Figure D-11 shows the wire colors. Thepower source can be either a single source of +24 Vdc orup to two sources of –48 Vdc (A and B). You cannotconnect +24 Vdc and –48 Vdc to the same unit. See theinstallation instructions in Chapter 2, Installation.Figure D-11. DC Power Cable