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Huawei CR-C2CF User manual

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Quidway® NetEngine 80 Core Router OC-3/STM-1 CPOS Optical Interface Boards
Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.
http://www.huawei.com/products/datacomm/ 1
Quidway® NetEngine 80 Core Router
OC-3/STM-1 CPOS Optical Interface Boards
Overview
The OC-3/STM-1 CPOS optical interface board of the Quidway®NetEngine 80 core router
(abbreviated to NE80) consists of the PIC OC-3/STM-1 CPOS optical interface and the Line
Processing Unit (LPU).
The LPU implements processing and encapsulation of link layer protocols, data flow classification
and packet filtering, data forwarding and control packet processing. The OC-3/STM-1 CPOS optical
interface mainly implements POS frame encapsulation/decapsulation of data flows and
SDH/SONET mapping/demapping of POS frames, provides 155Mbps channelized to E1/T1 optical
interfaces, and enables such functions as loopback and environment monitoring.
CR-C4CF
The OC-3/STM-1 CPOS optical interface board can be channelized to E1/T1, and can also support
multi-E1/T1 bundling. A single CPOS interface can channelize 63 E1 lines or 84 T1 lines. It is
usually used to access the SDH transmission network and implement SDH TM equipment
functions.
The OC-3/STM-1 CPOS optical interface board uses hot-pluggable SFP optical modules. You can
choose optical modules with different transmission distances according to networking
requirements.
Quidway® NetEngine 80 Core Router OC-3/STM-1 CPOS Optical Interface Boards
Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.
http://www.huawei.com/products/datacomm/ 2
Specifications
The NE80 supports two types of OC-3/STM-1 CPOS optical interface boards: CR-C2CF and
CR-C4CF.
Module name Interface type Description
CR-C2CF LC 2-port 155M channelized to E1/T1 POS optical interface
board: Different SFP optical modules can be chosen for
different transmission distances.
CR-C4CF LC
4-port 155M channelized to E1/T1 POS optical interface
board: Different SFP optical modules can be chosen for
different transmission distances.
The NE80 supports the following four types of 155M SFP optical modules:
Interface rate 155 Mbps
Maximum transmission distance 2 km 15 km 40 km 80 km
Center wavelength 1310 nm 1310 nm 1310 nm 1550 nm
Min. –19 dBm –15 dBm –5 dBm –5 dBm
Transmitting
optical power Max. –14 dBm –8 dBm 0 dBm 0 dBm
Receiving sensibility –30 dBm –28 dBm –34 dBm –34 dBm
Overload optical power –14 dBm –7 dBm –9 dBm –10 dBm