l STAT indicator, red, green, or orange, which indicates the working status
l L/A0 to L/A3 indicators, green or orange, which indicate the port connection status and
data transmit/receive status
For details on meanings of indicators, see 11 Indicators.
Interface
Four SFP interfaces are present on the EM4F. Table 5-10 lists the types and usage of the
interfaces on the EM4F.
Table 5-10 Types and usage of the interfaces on the AND1EM4F
Interface on the Front
Panel
Interface
Type
Usage Correspo
nding
Fiber
Optical
interface
IN0 to IN3 LC When a two-fiber bidirectional
optical module is used, this
interface is used as an input
interface for the GE optical signal.
When a single-fiber bidirectional
optical module is used, this
interface is not used.
Refer to 9.5
Fibers.
OUT0 to
OUT3
LC When a two-fiber bidirectional
optical module is used, this
interface is used as an output
interface for the GE/FE optical
signal.
When a single-fiber bidirectional
optical module is used, this
interface is used as an input/output
interface for the GE/FE optical
signal.
5.3.5 Technical Specifications
Technical specifications of the AND1EM4F board include interface specifications and physical
specifications.
Interface Specifications
Table 5-11 and Table 5-12 lists the specifications of the interfaces on the AND1EM4F board.
ATN 950B Multi-service Access Equipment
Hardware Description 5 Physical Interface Card
Issue 03 (2012-07-23) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
48
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