Zhone 7995 ユーザーガイド
3. Initial Startup and Configuration
7990-A2-GB20-00
May 2002
3-3
Connecting to the Network
Procedure
To connect the unit to the network:
1. Plug one end of the network cable into the rear panel DSL jack.
2. Connect the other end to the DSL network interface.
NOTE:
Do
not
use a flat VF network cable as this may severely degrade the
performance of the unit. Only use a Cat 5 twisted-pair network cable.
Connecting to a DTE
The DTE interface varies from model to model.
See
, for more information.
Table 3-1.
Power Input Connector
Pin Number
Wire Color
Signal
1
Black
– 48 VDC Return
2
Red
– 48 VDC Return
3
Green
Ground
4
White
+24 VDC Return
5
Orange
– 48 VDC
+24 VDC
+24 VDC
6
Blue
No Connection
99-16291
2
3
5
4
6
1
Model
DTE Connection
7995
The synchronous interface is a 25-pin EIA-530-A interface. Depending on the
cable used, the interface can be adapted to an X.21, RS-449, or V.35 interface.
cable used, the interface can be adapted to an X.21, RS-449, or V.35 interface.
7996
The G.703 interface is either two BNC connectors (Transmit and Receive) for a
75-ohm unbalanced interface or an RJ48C, 8-position, unkeyed modular
connector for a 120-ohm balanced interface.
75-ohm unbalanced interface or an RJ48C, 8-position, unkeyed modular
connector for a 120-ohm balanced interface.