Huawei CR52-10GE User manual

Quidway® NetEngine 40E Core Router GE Boards

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

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

Quidway® NetEngine 40E Core Router GE Boards

Overview

The GE boards of the Quidway® NetEngine 40E Core Router (“NE40E” hereinafter) fall into two

types: GE optical interface boards and 10/100/1000M Ethernet electrical interface boards.

CR52-10xGE-SFP

CR52-24xGE-TX

The GE optical interface boards implement the Gigabit Ethernet MAC layer processing and

Physical Medium Dependent (PMD) functions in compliance with the IEEE specifications, and

provide such functions as loopback, environment monitoring and information query.

The 10/100/1000M electrical interface boards implement the Ethernet MAC layer processing and

PMD functions in compliance with the IEEE specifications, and provide such functions as loopback,

environment monitoring and information query.

The NE40E GE boards are mainly applied in Ethernet networking and their maximum rate is 1000

Mbps. The electrical interface boards support 10/100/1000 Mbps adaptation. If high-density 100M

or 1000M interfaces are needed and the transmission distance is no more than 100m in the

networking, the 10/100/1000M Ethernet electrical interface boards must be selected. If the

Quidway® NetEngine 40E Core Router GE Boards

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

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

transmission distance is greater than 100m, then the GE optical interface boards must be selected

and various SFP optical modules can be selected depending on the transmission distance.

Specifications

Currently, the NE40E provides two types of GE optical interface boards: CR52-10xGE-SFP and

CR52-5xGE-SFP. And it provides one type of 10/100/1000M Ethernet electrical interface board:

CR52-24xGE-TX.

Module name Interface type Description

CR52-10xGE-SFP LC

10-port GE optical interface line board, which may

have different SFP optical modules depending on

the transmission distance

CR52-5xGE-SFP LC

5-port GE optical interface line board, which may

have different SFP optical modules depending on

the transmission distance

CR52-24xGE-TX RJ45

24-port 10/100/1000M Ethernet electrical interface

line board supporting 10/100/1000 Mbps adaptation

and a maximum transmission distance of 100m

The NE40E provides the following five types of 1000M SFP optical modules:

Interface rate 1000Mbps

Transmission distance (km) 0.5 10 40 80 100

Center wavelength (nm) 850 1310 1310 1550 1550

Min. -9.5 -9.5 -4.5 -2.0 0.0

Transmitting optical

power (dBm) Max. -2.5 -3.0 3.0 5.0 5.0

Receiving sensitivity (dBm) -17.0 -20.0 -22.5 -23.0 -30.0

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

Fiber type (mode) Multi Single Single Single Single

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