Figure 4-7 eSFP optical module appearance
Single-fiber
bidirectional
Two-fiber
bidirectional
NOTE
eSFP optical modules are further classified into single-fiber bidirectional modules and dual-fiber
bidirectional modules.
l A single-fiber bidirectional module provides only one LC interface for connecting to one fiber. It
receives and sends optical signals in one fiber but over two different wavelengths.
l A dual-fiber bidirectional module provides two LC interfaces for connecting to two fibers. It receives
and sends optical signals in two different fibers.
Figure 4-8 SFP electrical module appearance
Application
An optical or electrical module can be used at an optical interface if its packaging and service
rate can match the interface.
Packaging:
l SFP optical interfaces use SFP/eSFP optical or electrical modules.
l XFP optical interfaces use XFP optical modules.
Service rate:
l FE and STM-1 optical interfaces match FE optical or electrical modules.
l GE optical interfaces match GE optical or electrical modules.
l FE/GE optical interfaces match FE/GE optical or electrical modules.
ATN 905 Multi-service Access Equipment
Product Description 4 Hardware Structure
Issue 01 (2013-05-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
42
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