Clock Cables; External Clock Cables - Huawei ATN 950B Hardware Description

ATN 950B Multi-service Access Equipment
Hardware Description
Table 9-3 Pin assignment of the RJ45 connector (ETH/OAM)
Connecto
r Pin
1
2
3
6
4
5
7
8
Table 9-4 Technical specifications of the Ethernet cable
Item
Connector
Cable type
Number of cores

9.3 Clock Cables

The clock cables used on the ATN 950B include external clock cables and 120-to-75-ohm clock
cables.

9.3.1 External Clock Cables

On the ATN 950B, the external clock cables with RJ45 connectors are used to input and output
the external clock or time signals.
The external clock cables can be connected to the CLK and TOD interfaces on the ATN 950B.
Structure
Figure 9-8
Issue 03 (2012-07-23)
Color Relation
White-orange Twisted pair
Orange
White-green Twisted pair
Green
Blue Twisted pair
White-blue
White-brown Twisted pair
Brown
Specification
Network Interface Connector, 8-Bit 8-Pin, Crystal Plug
Twisted-Pair Cable, 100 ohm,Category 5e UTP, 0.51 mm(0.0200 in.),
24AWG, 8 Cores, PANTONE 430U
Eight
shows the structure of the RJ45 connector used on the external clock cable.
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Copyright © Huawei Technologies Co., Ltd.
Usage
Transmit positive of the NM interface
Transmit negative of the NM interface
Receive positive of the NM interface
Receive negative of the NM interface
Grounding end of the Console interface
Receive end of the Console interface
Unspecified
Transmit end of the Console interface
9 Cables
95