Table 4-2 Types and usage of the interfaces on the AND1CXPB
Interface
on the
Front
Panel
Interface
Type
Usage Pin Correspondi
ng Cable
ETH/
OAM
RJ45 10M/100M auto-sensing
Ethernet NM interface or
Console interface
Refer to Table
4-3.
Refer to 9.2
Management
Cables.
CLK RJ45 Clock input/output interface Refer to Table
4-4.
Refer to 9.3
Clock Cables.
TOD RJ45 Time input/output interface Refer to Table
4-5.
Refer to 9.3
Clock Cables.
ALMI/O RJ45 Alarm input/output interface Refer to Table
4-6.
-
NOTE
The ALMI/O interface is reserved for later use.
Table 4-3 Pins of the ETH/OAM interface
Front View
Pin Usage
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
Table 4-4 Pins of the CLK interface
Front View
Pin Usage
1 Negative receive end of external clock
2 Positive receive end of external clock
3 Unspecified
4 Negative transmit end of external clock
ATN 950B Multi-service Access Equipment
Hardware Description
4 AND1CXPA/AND1CXPB - System Control, Cross-
connect, and Multi-protocol Process Unit
Issue 03 (2012-07-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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