Huawei NetEngine40E Hardware Description page 633

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