E1/T1 Ports - Huawei OptiX OSN 3500 Quick Installation Manual

5
Installing and Routing E1/T1 Cables
a

E1/T1 Ports

E 1 / T 1 interface board ( D 75 S , D 12 S , D 12 B )
Pin 44
75-ohm 8xE1 cable
b
Overhead Cabling
• Routing E1 cables for the upper subrack
1
1
Route the E1 cables into the cabinet through the
cable holes on the top of the cabinet.
NOTE
The exterior, pin assignment, and installation method of the
T1 cables are the same as those of the 120-ohm E1 cables.
NOTE
Pin 1
120-ohm 8xE1 cable
47
Related wiring tables are delivered with the specific cables.
Keep them properly.
CAUTION
Connect the DDF to the D75S board using 75-ohm
E1 cables, to the D12S board using 120-ohm E1
cables, and to the D12B board using 120-ohm or
75-ohm E1 cables.
2
2
Route the E1 cables for the upper subrack downwards
along the rear panel of the cabinet to the cable
distribution plate of the upper subrack, and then route
the E1 cables through the cable distribution plate.
E1 cables for the
upper subrack