Huawei NetEngine40E

HUAWEI NetEngine40E Universal ServiceRouter
Hardware Description
7 Cables
Issue 01 (2012-09-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
619
Two-channel 75-ohm/120-ohm Clock Transfer Cable
Figure 7-5 shows the two-channel 75-ohm/120-ohm clock transfer cable.
Figure 7-5 Two-channel 75-ohm/120-ohm clock transfer cable
1. Coaxial connector-SMB-75-ohm-straight/plug-female
2. Label1:"1#"
3. Main label
4. 75-ohm/120-ohm transit PCB
5. Label3:"1#"
6. Label 4:"2#"
7. Label 2:"2#"
Table 7-22 shows the pin assignments of the two-channel 75-ohm/120-ohm clock transfer
cable.
Table 7-22 Pin assignments of the two-channel 75-ohm/120-ohm clock transfer cable
Connector
75-ohm Cable
Color
120-ohm Cable
X1
Core wire
Blue
W3
Shield layer
White
X2
Core wire
Blue
W4
Shield layer
White
120-ohm trunk cable
The 120-ohm trunk cable adopts the RJ-45 connector.Figure 7-6 shows the structure of the
120-ohm trunk cable.
Figure 7-6 120-ohm trunk cable
Table 7-23 shows the pin assignments on the 120-ohm trunk cable.