1.3 Boards and Valid Slots
Boards are the key hardware components of the equipment. This section describes the boards
supported by the ATN 950B and their valid slots.
Table 1-1 shows the boards supported by the ATN 950B and their valid slots.
Table 1-1 Boards supported by the ATN 950B and their valid slots
Board Name Board Description Valid Slot
AND1CXPA System control, switching
and timing board
Slot 7, slot 8
AND1CXPB System control, switching
and timing board
Slot 7, slot 8
AND1EM4T 4 Channels GE/FE Electric
Interface Board
slot 1-4
AND1EM8T 8 Channels GE/FE Electric
Interface Board
slot 1-2
AND1EM4F 4 Channels GE/FE Optical
Interface Board
slot 1-4
AND1EM8F 8 Channels GE/FE Optical
Interface Board
slot 1-2
AND1EX1 1 Channel 10GE Optical
Interface Board
slot 5-6 (working with the
AND1CXPA)
slot 3-6 (working with the
AND1CXPB)
AND1ML1 16 Channels E1 Electrical
Interface Board (75 ohms)
slot 1-6
AND1ML1A 16 Channels E1 Electrical
Interface Board (120 ohms)
slot 1-6
AND3ML1A 16 Channels E1 Electrical
Interface Board (75 ohms)
slot 1-6
AND3ML1B 16 Channels E1 Electrical
Interface Board (120 ohms)
slot 1-6
AND2MD1A 32 Channels E1 Electrical
Interface Board (75 ohms)
slot 1-6
AND2MD1B 32 Channels E1 Electrical
Interface Board (120 ohms)
slot 1-6
TND1PIU Power board Slot 9, slot 10
AND1FAN Fan board slot 11
ATN 950B Multi-service Access Equipment
Hardware Description 1 Overview
Issue 03 (2012-07-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
3