Huawei Quidway R2600 Series Installation Manual page 131

Installation Manual
Quidway R2600/3600 Series Modular Routers
Caution:
The E1V1 module cables are optional, and make sure that you have selected the necessary cables when
purchasing the E1V1 module.
E1VI interface cable is a G.703-compliant 120-ohm cable. Its router end is a DB-15
male connector, and its network end is RJ-45 connector.
Figure 8-70 E1VI module interface cable
Table 8-45 E1VI interface cable pinouts
Pin
9
2
10
8
15
7
Caution:
Tx = transmitting; Rx = receiving
The pins not referenced in the above table are not connected.
If the cable with the impedance being 75-ohm is needed, it can be realized by the 75-
ohm-to-120-ohm cable converter (one end is BNC connector and the other end is RJ-
45 connector). For details, please refer to Section 8.8.5.
E1VI end
DB-15
Signal
Tx Tip
Tx Ring
Tx Shield
Rx Tip
Rx Ring
Rx Shield
8-69
Chapter 8
Function Modules
Network end
RJ-45
Pin Signal
4 Rx Tip
5 Rx Ring
6 Rx Shield
1 Tx Tip
2 Tx Ring
3 Tx Shield