Huawei NE05E Hardware Manual page 29

HUAWEI NE05E,NE08E
Hardware Guide
Front View
NOTE
Table 3-13 Pins of the ALMI/ALMO interface
Front View
Table 3-14 Pins of the CLK interface
Front View
Issue 05 (2023-03-31)
Pin
8
The TOD interfaces can be configured so that they can work in one of the preceding two
working modes.
Copyright © Huawei Technologies Co., Ltd.
Working Mode
External Time Input
(1PPS + Time
Information)
Input positive for the
time information
(RS422 level)
Pin
1
2
3
4
5
6
7
8
Pin
1
2
3
4
3 Hardware Description
External Time Output
(1PPS + Time
Information)
Output positive for the
time information
(RS422 level)
Usage
Alarm input 1
Grounding end for alarm
input 1
Alarm input 2
Alarm input 3
Grounding end for alarm
input 3
Grounding end for alarm
input 2
Positive for alarm signal
output
Negative for alarm
signal output
Usage
Negative receive end of
external clock
Positive receive end of
external clock
Unspecified
Negative transmit end of
external clock
21