Nortel Networks AN/DC 用户手册
Installing and Operating AN/DC and ANH-8/DC Systems
1-18
312410-A Rev 00
4.
Insert the 25-pin plug at the other end of the modem cable into the
modem’s RS-232 data communications port
modem’s RS-232 data communications port
.
The modem is now connected to the AN/DC.
Next, connect the power source as described in the following section.
Connecting to the DC Power Source
To connect the AN/DC to the power source:
1.
.
2.
Using a flathead screwdriver, loosen, but do not remove, the screws
beneath the terminal blocks marked -VDC and RTN
beneath the terminal blocks marked -VDC and RTN
Figure 1-11.
AN/DC Power Switch and DC Terminals
Danger:
Due to high-energy hazards, only qualified service personnel are
permitted to connect the AN/DC to the power source.
COM 1
U
L
U
L
AN0093A
Power Switch OFF (0)
DC Power Terminals (3)
RTN -VDC
-48VDC
-60VDC
1.5A