7 Boards
Issue ()
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
108
Interface
Name
Interfac
e Type
Connec
tor
Type
Description
Cable
CONSOLE RS-232
serial
interface
RJ45
It connects to
the console for
on-site system
configuration.
Baud rate: 9600
bit/s (default
value), which is
configurable.
8-core shielded cable
CLK
CLK/1PP
S
interface
RJ45
Used to input
or output
2-Mbit/s clock
signals, 2-MHz
clock signals,
or 1 PPS
signals.
120-ohm clock cable
RS-485
RS-485
interface
RJ45
Used to
connect to the
monitoring
interface on the
external AC
power supply
module.
8-core shielded cable
TOD
TOD
interface
RJ45
Used to input
or output
1pps+ASCII
time signals or
DCLS time
signals.
(Shielded or unshielded)
straight-through cables
Functional Specifications
Features and
Functions
Remarks
Basic function
By integrating the system control and management unit, clock unit,
and maintenance unit, the board provides the functions of the control
plane and maintenance plane.
Reliability and
availability
Support for hot swap and 1:1 backup mode.
Restrictions and
Remarks
This board cannot be used together with other MPUs.