3Com 3C13886 Installation Guide - Page 142

Router 1-port E3 Atm Fic

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3Com Router Module Guide Chapter 4 The following table describes the LEDs on the card panel. Table 4-18 LEDs on the ROUTER 1-PORT CT3 FIC panel LED Description LINK OFF means no link is present; ON means a link is present. OFF means no data is being transmitted or received on the interface; blinking means ACT data is being transmitted and/or received. 4.7.4 Interface Cable Refer to the section Error! Reference source not found."Error! Reference source not found.". The interface cable for the ROUTER 1-PORT CT3 FIC is the same as that for the ROUTER 1-PORT CE3 FIC and is connected in the same way. 4.8 8.8 ROUTER 1-PORT E3 ATM FIC 4.8.1 Introduction 8.8 ROUTER 1-PORT E3 ATM FIC, the 1-port 34Mbps ATM-E3 interface card, provides these functions: z Two ATM cell mapping modes: ATM direct mapping (ADM) and physical layer convergence protocol (PLCP). z Scrambling in data transmission. z Line clock (when working as DTE interface) and internal clock (when working as DCE interface). z Four types of test measures: local cell loopback, local loopback, remote payload loopback, and remote line loopback. Note: You may equip your router with 8.8 ROUTER 1-PORT E3 ATM FIC cards to its full capacity. Yet, you are recommended to install only one 8.8 ROUTER 1-PORT E3 ATM FIC on it, whatever its model is, to ensure performance of some key services. 4.8.2 Interface Attributes The following table describes the interface attributes of the 8.8 ROUTER 1-PORT E3 ATM FIC. 4-33

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3Com Router Module Guide
Chapter 4
4-33
The following table describes the LEDs on the card panel.
Table 4-18
LEDs on the ROUTER 1-PORT CT3 FIC panel
LED
Description
LINK
OFF means no link is present; ON means a link is present.
ACT
OFF means no data is being transmitted or received on the interface; blinking means
data is being transmitted and/or received.
4.7.4
Interface Cable
Refer to the section
Error! Reference source not found.
“
Error! Reference source
not found.
”.
The interface cable for the ROUTER 1-PORT CT3 FIC is the same as that for the
ROUTER 1-PORT CE3 FIC and is connected in the same way.
4.8
8.8
ROUTER 1-PORT E3 ATM FIC
4.8.1
Introduction
8.8
ROUTER 1-PORT E3 ATM FIC, the 1-port 34Mbps ATM-E3 interface card,
provides these functions:
Two ATM cell mapping modes: ATM direct mapping (ADM) and physical layer
convergence protocol (PLCP).
Scrambling in data transmission.
Line clock (when working as DTE interface) and internal clock (when working as
DCE interface).
Four types of test measures: local cell loopback, local loopback, remote payload
loopback, and remote line loopback.
Note:
You may equip your router with 8.8
ROUTER 1-PORT E3 ATM FIC cards to its full capacity. Yet, you
are recommended to install only one 8.8
ROUTER 1-PORT E3 ATM FIC on it, whatever its model is,
to ensure performance of some key services.
4.8.2
Interface Attributes
The following table describes the interface attributes of the 8.8
ROUTER 1-PORT E3
ATM FIC.