Huawei CR52-2xPOS/STM16-SFP User manual

Quidway® NetEngine 80E Core Router OC-48c/STM-16c POS Optical Interface Boards

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

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

Quidway® NetEngine 80E Core Router

OC-48c/STM-16c POS Optical Interface Boards

Overview

The Quidway®NetEngine 80E core router (“NE80E” hereinafter) provides OC-48c/STM-16c POS

optical interface boards of different port densities to connect with the SDH transmission equipment

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

2.5G transmission channels. Currently, they are widely applied in carriers’ MANs and backbone

networks.

CR52-2xPOS/STM16-SFP

CR52-4xPOS/STM16-SFP

The OC-48c/STM-16c 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 2.5 Gbps, and provide such functions as loopback, environment

monitoring and information query.

Quidway® NetEngine 80E Core Router OC-48c/STM-16c POS Optical Interface Boards

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

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

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 2.5 Gbps. Optical modules

supporting different transmission distances may be selected depending on the networking

requirements.

Specifications

The NE80E provides three types of OC-48c/STM-16c POS optical interface boards, whose

specifications are listed in the following table:

Module name Interface type Description

CR52-4xPOS/STM16-SFP LC

4-port 2.5G POS SFP optical interface board,

which may have different SFP optical modules

depending on the transmission distance

CR52-2xPOS/STM16-SFP LC

2-port 2.5G POS SFP optical interface board,

which may have different SFP optical modules

depending on the transmission distance

CR52-POS/STM16-SFP LC

1-port 2.5G POS SFP optical interface board,

which may have different SFP optical modules

depending on the transmission distance

The NE80E provides the following four types of 2.5G POS SFP optical modules:

Interface rate 2.5Gbps

Transmission distance (km) 2 15 40 80

Center wavelength (nm) 1310 1310 1310 1550

Min. -10.0 -5.0 -2.0 -2.0

Transmitting optical

power (dBm) Max. -3.0 0.0 3.0 3.0

Receiving sensitivity (dBm) -21.0 -21.0 -30.0 -30.0

Overload optical power (dBm) -3.0 0.0 -9.0 -9.0

Fiber type Single mode Single mode Single mode Single mode

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