Huawei ATN 905 Product Description page 45

ATN 905 Multi-service Access Equipment
Product Description
Figure 4-6 Core connections of the management cable connected to the NM network interface
or NM serial interface
NM network interface
Table 4-10 Descriptions of the alarm indicator (ALM)
Status Description
On (red)
On (yellow)
Off
Table 4-11 Descriptions of the working status indicator (STAT)
Status Description
On (green)
On (red)
Issue 01 (2013-05-30)
ETH/OAM
1 2 3 4 5 6 7 8
1 2 3 4 5 6 7 8
(terminal side)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
1 Transmit positive of the NM interface
2 Transmit negative of the NM interface
3 Receive positive of the NM interface
4 Grounding end of the Console interface
5 Receive end of the Console interface
6 Receive negative of the NM interface
7 Unspecified
8 Transmit end of the Console interface
Pos.5
Pos.9
NM serial interface
(terminal side)
Indication
An equipment-level critical alarm is reported.
An equipment-level major or minor alarm is reported.
No equipment-level alarm is reported.
Indication
The device is running properly.
A device hardware fault has occurred.
4 Hardware Structure
Pos.1
Pos.6
39