Huawei CR52-4xPOS/STM4-SFP User manual

Quidway® NetEngine 80E Core Router OC-12c/STM-4c POS Optical Interface Board

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 1

Quidway® NetEngine 80E Core Router

OC-12c/STM-4c POS Optical Interface Board

Overview

The Quidway®NetEngine 80E core router (“NE80E” hereinafter) provides high-density

OC-12c/STM-4c POS optical interface boards to connect with the SDH transmission equipment or

other equipment. The boards may be plugged in any service slots of the NE80E and provide 622M

transmission channels.

CR52-4xPOS/STM4-SFP

The OC-12c/STM-4c POS optical interface boards implement POS frame encapsulation/

decapsulation of data flows and SDH/SONET mapping/demapping of POS frames, provide external

optical interfaces at a rate of 622 Mbps, and provide such functions as loopback, environment

monitoring and information query.

They support hot plugging. The user may add or remove them as needed while the equipment is

powered on without affecting the services of the other interface boards. In addition, hot pluggable

SFP optical modules are adopted for plug and play. The rate can reach 622 Mbps. Optical modules

supporting different transmission distances may be selected depending on the networking

requirements.

Specifications

Currently, the NE80E provides one type of OC-12c/STM-4c POS optical interface board:

CR52-4xPOS/STM4-SFP.

Quidway® NetEngine 80E Core Router OC-12c/STM-4c POS Optical Interface Board

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved.

http://www.huawei.com/products/datacomm/ 2

Module name Interface type Description

CR52-4xPOS/STM4-SFP LC 4-port 622M POS optical interface board, which

may have different SFP optical modules

depending on the transmission distance

The NE80E provides the following three types of 622M POS SFP optical modules:

Interface rate 622Mbps

Transmission distance (km) 15 40 80

Center wavelength (nm) 1310 1310 1550

Min. -15.0 -3.0 -3.0

Transmitting optical

power (dBm) Max. -8.0 2.0 2.0

Receiving sensitivity (dBm) -28.0 -28.0 -28.0

Overload optical power (dBm) -8.0 -8.0 -8.0

Fiber type Single mode Single mode Single mode

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