Status Description Indication
Blinking (red) The input optical power was too high.
Off An optical fiber or electrical cable is not connected or is
incorrectly connected to the service port.
4.3 Swappable Optical/Electrical Modules
The ATN 905 does not provide optical interfaces, whereas the panel provides interfaces for
installing optical modules. The optical modules receive and transmit optical signals and convert
electrical and optical signals. The interfaces for installing optical modules can also be used for
installing electrical modules to transmit electrical signals.
4.3.1 Overview
Optical and electrical modules for ATN 905 are hot swappable. Optical modules transmit
services using optical signals over fibers and electrical modules transmit services using electrical
signals over Ethernet cables.
Classification
Optical modules for ATN 905 can be classified as follows:
l By service and rate: FE, GE, and 10GE modules
l By packaging: SFP, enhanced SFP (eSFP), and XFP modules
– SFP and eSFP optical modules are used to support FE and GE services. Compared with
SFP modules, eSFP modules provide one more function, that is, performance reporting.
– XFP modules are used to support 10GE services.
l By usage scenario: business and industry modules
– When an ATN device is operating at a temperature ranging from -20 °C to 60 °C,
business modules apply.
– When an ATN device is operating at a temperature outside the range of -20 °C to 60 °
C (for example, -40 °C to 65 °C), industry modules apply.
Electrical modules for ATN 905 are all SFP modules, which are used to support FE or GE
services.
Appearance
Optical and electrical modules have different appearance because they use different packaging
and cable interfaces.
SFP and eSFP optical modules have the same appearance. Currently, optical modules for ATN
905 are all eSFP modules. Figure 4-7 shows the eSFP optical module appearance.
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.
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