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Chapter 6 Installation and Debugging
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Crossover network cable RJ45J: cable connection relationship
is cross correspondence between two twisted pairs at both
ends. The specific connection relationship is shown in
T
ABLE
12 C
ROSSOVER NETWORK CABLE
RJ45J C
ABLE
S
EQUENCE
End A
Chromatogram
End B
1
White-orange
3
2
Orange
6
3
White-green
1
6
Green
2
4
Blue
4
5
White-blue
5
7
White-brown
7
8
Brown
8
Optical Fiber Installation
Each optical fiber interface in ZXR10 3900A/3200A contains two
fibers; one is used for receiving data and the other one is used for
transferring data. Note that there are TX, RX on the panel. Do
not mix them. There are two kinds of fibers: single-mode fiber
and multi-mode fibers. Users can use them according to practical
conditions. Six fibers are shown in
.
T
ABLE
13 F
IBER
T
YPES
Mode
Switch Connector
End Connector Type
FC/PC
SC/PC
Single Mode
SC-PC (square
adapter)
ST/PC
FC/PC
SC/PC
Multi-mode
SC-PC (square
adapter)
ST/P
As for fiber out of the cabinet, make sure to protect the fiber
against any damages with plastic corrugated sleeve. The fiber
within the protect sleeve must not be wound up and the corners
must be radian. The labels at two ends of the fiber must be clear.
The meaning of the label must correctly reflect corresponding se-
rial numbers and relationship between cabinets and between rows.
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