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3 stacking the sehi, Stacking the sehi -6, Chapter 4: installation 4-6 sehi user’s guide – Cabletron Systems SEHI-22FL User Manual

Page 29: Figure 4-5 installing the sehi in the rack, Two inches on either side and in the rear

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Chapter 4: Installation

4-6

SEHI User’s Guide

Figure 4-5

Installing the SEHI in the Rack

If the installation requires stacking the SEHI, proceed to Section 4.3.3.
Otherwise, continue by connecting power as described in Section 4.4.

4.3.3

Stacking the SEHI

The rear panel of the SEHI has an Interconnect Bus Out Port (male
connector). Daisy chain units together using Cabletron Systems
HubSTACK Interconnect cables. Table 4-1 describes each cable.

!

C AUT IO N

The cooling fans at the rear panel of the SEHI must have
adequate clearance (

two inches on either side and in the rear

)

for unrestricted air flow. The temperature for the selected
location must be maintained between 5

°

C and 40

°

C, and

fluctuate less than 10

°

C per hour.

Table 4-1

HubSTACK Interconnect Cables

Part
Number

Description

Application

9380110

12" HubSTACK Interconnect Cable

SEH to SEH

9380111

18" HubSTACK Interconnect Cable

SEHI to SEH

Screws (4)

19-Inch Rack

0165206

HubSTACK

10BASE-FL HUB

WITH

LANVIEW®

SECURE

SEHI-22FL

E
1

RCV
LNK

12 11 10 9 8 7 6 5 4 3 2 1

PWR
CPU
CLN

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

RX

TX

1

2

3

4

5

6

7

8

9

10

11

12

EPIM 1

RESET

COM

SEHI Book Page 6 Friday, April 19, 1996 10:46 AM