Huawei NE40E - Page 243

NE40E
Hardware Description
1 Hardware Description
Issue 01 (2018-05-03)
229
Interface
Name
Interfac
e Type
Connec
tor
Type
Description
Cable
AUX interface.
The AUX
interface is
reserved for
further
expansion.
CLK/TOD
0,
CLK/TOD
1
ExterN/A
l
synchroni
zation
interface
RJ45
Used to input
or output
2-Mbit/s clock
signals, 2-MHz
clock signals,
1pps+ASCII
time signals, or
two channels of
DCLS time
signals.
120-ohm clock cable
CLK/1PPS
ExterN/A
l
synchroni
zation
interface
SMB
Used to input
or output
2-Mbit/s clock
signals, 2-MHz
clock signals,
or 1 PPS
signals.
75-ohm clock cable
CLK/Serial
ExterN/A
l
synchroni
zation
interface
SMB
Used to input
or output
2-Mbit/s clock
signals, 2-MHz
clock signals,
or RS-232
signals.
75-ohm clock cable
Functional Specifications
Table 1-158 Functions and features
Functions and
Features
Remarks
Reliability and
availability
1:1 backup mode