Nortel Networks AN/DC manual Connecting Synchronous Cables

Installing and Operating AN/DC and ANH-8/DC Systems

Connecting Synchronous Cables

Connect one to three synchronous interface cables to the back of the ANH-8/DC:

1.Locate the RS-232, RS-422, V.28, V.35, or X.21 interface cable. See the Cable Guide for Routers and BNX Platforms.

2.Connect the cable to the back-panel port labeled COM1, COM2, or COM3 (Figure 2-13).

Note: Your ANH-8/DC may not have a third synchronous interface. The

COM3/Expansion port may be empty or contain another cable interface.

-48VDC	COM 3/Expansion	COM 2	COM 1
-60VDC
1.5A

RTN -VDC

Synchronous Cables

Third Synchronous Interface

Cable Connector

AN0048B

Figure 2-13. Connecting Synchronous Cables to COM1, COM2, or COM3

Note: The orientation of the COM3 connector is reversed from that of the other COM ports.

3.Secure the screws on the cable’s COM connector.

4.Connect the remote end of each cable to the appropriate communications equipment.

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