Quidway® NetEngine 20 Routers ATM over E3 Interface Module
Copyright ©2007 Huawei Technologies Co., Ltd. All rights reserved.
http://www.huawei.com/products/datacomm/
1
Quidway® NetEngine 20 Routers ATM over E3 Interface Module
Overview
The ATM over E3 interface module of an NE20 router provides the following functionalities:
z
Support ATM Direct Mapping (ADM) and Physical Layer Convergence Protocol (PLCP).
z
Support scrambled data transmission.
z
Support line clock (used when it works as a DTE interface) and internal clock (used when it
works as a DCE interface).
z
Support cell loop, self loop, payload loop and line loop.
The NE20E router provides only one type of ATM over E3 interface module, namely 1-port ATM
over E3 module.
Specifications
Specifications of the ATM over E3 interface module are described as below.
Module
Interface type
Description
NE-FIC-ATM-E3
SMB (34.368 M electrical
interface)
A 1-port ATM over E3 interface module
(providing SMB interface)