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Port interface cards – Allied Telesis AlliedView-EMS 3.11 DEVICE MANAGEMENT User Manual

Page 394

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AlliedView™-EMS 3.11 Device Management Guide

Page 394 of 402

Port Interface Cards

This section describes the Port Interface Cards supported in Device Manager.

If one of these PICs is installed in a PIC bay or in a

Network Service Module (NSM)

of a

device, it will be displayed in the PIC bay image or NSM image of the device panel in the

main window.

AT-AR020

LED

State

Description

B DATA Green

Gray

HDLC packets are being exchanged between the switch or router

and another end system device (normally another switch or router)

over any of the B (data) channels.

No packet transmission over B channel.

AT-AR021

LED

State

Description

B1 and B2 Green


Gray

For permanent circuits, HDLC packets are being exchanged
between the switch or router and another end system device
(normally another switch or router) over any of the B channel. For

on-demand ISDN, there is a call up over the respective B-channel.

No packet/data transmission over B-channel.

AT-AR022 / AT-AR023 / AT-AR024

Note

- There are no LEDs on these PICs.