Huawei NetEngine 8000 F User Manual

NO TE
The wire sequence of a trunk cable used as a clock cable diers from the wire sequence of
an ordinary twisted cable.
Appearance
The 120-ohm clock cable uses the RJ45 connector. Figure 3-68 shows the
structure of the 120-ohm trunk cable.
Figure 3-68 Appearance of the 120-ohm clock cable connector
Cable Pinouts
Table 3-242 Pin assignment of the 120-ohm clock cable
Conne
ctor
Pin
Rela
tion
ship
Description
External Clock
Mode
External Time
Mode
(1PPS + Time
Information)
External Time Mode
(DCLS)
X1.1 Twis
ted
pair
Negative
receive end of
CLK
Unspecied Unspecied
X1.2 Positive receive
end of CLK
Unspecied Unspecied
X1.3 Twis
ted
pair
Unspecied Negative of 1PPS
signals
Negative of DCLS
signals
X1.6 Unspecied Positive of 1PPS
signals
Positive of DCLS
signals
X1.4 Twis
ted
pair
Negative
transmit end of
CLK
Grounding end Grounding end
X1.5 Positive
transmit end of
CLK
Grounding end Grounding end
X1.7 Twis
ted
pair
Unspecied Negative of time
information
Unspecied
HUAWEI NetEngine 8000 F
Hardware Guide 3 Hardware Description
Issue 05 (2023-03-31) Copyright © Huawei Technologies Co., Ltd. 326

Huawei NetEngine 8000 F Specifications

General

Brand	Huawei
Model	NetEngine 8000 F
Category	Network Router
Language	English