3Com 6412M-25-TP manual Installation, Installing the Module in an ONcore Hub

Installation

You can install the 6412M-25-TP module while the ONcore hub or CELLplex 4000 expansion unit are powered on.

Installing the Module in an ONcore Hub

To install a 6412M-25-TP module in an ONcore hub, follow these steps:

1. Locate

a

vacant

slot

in

positions

1 to 8

(or 12

to

17 in

17

slot models). (Slots 9

10 are

reserved

for

the

ONcore

ATM Switch/Control module. You cannot install the

6412M-25-TP module

in slot

11.)

If

necessary,

remove

a

panel

on

the hub

to

expose

a

blank slot.

2. Make sure

that

the slot

to

be

used

is

in

Isolated

mode

by

entering

the following

command

from

the

ONcore

ATM

Switch/Control

console:

SET MODULE slot ISOLATED

whereslot specifies the number of the slot to be used. For more information, see theONcore Integrated System Hub Installati, DocumentGuideNumber

17-000362.

3. Insert the 6412M-25-TP

module

into

one of the

free

slots in

the

hub

as shown

in

Figure 2-1 on

page 2-5,

matching

the

top

and bottom board

guides

as

you

slide

the

module cleanly into place (by pressing

evenly

on the

top

and

bottom

of

the

faceplate). Do

not attempt to push the

module

all the way into the hub until you

have

verified

that the top and bottom

module

ejectors

are

OPEN

(see

Figure 2-2 on

page

2-6.)

2-4 25 Mbps ATM Module - Installation and User's Guide