Specifications

1-2

Reference Guide

Model No.

Running Head

Chassis Types System Overview

1.2 Chassis Types

1.2.1 Front-Loading Chassis with Power Supplies on the Side (891630)

Figure 1-1 shows a typical front-loading chassis with the power supplies on the side. Designed

to maximize the use of space, this chassis loads cards from the front, with the power supplies

on the right side. This chassis is made of steel and has punched-steel card guides. This chassis

is designed for table top, wall or rack mounting. All access (cable and card) is from the front

of the chassis.

The front-loading chassis with power supplies on the side (891630) is equipped with two CPU

card slots C1 to C2 and a common bus that allows all cards to be placed in similar slots. The

combination slots for this chassis are P1 to P4 and W1 to W4. These slots are also referred to

as slots U1 to U8 when used for voice, data, terminal interface, and/or alarm cards.

Slot P4 is not supported for a server card. Only user cards can be installed in the P4/U4 slot.

Table 1-1 illustrates the suggested mapping for this chassis type.Table 1-1 also lists the card

slot locations for the front-loading chassis with power supplies on the side. Refer to this table

when determining your chassis card configuration.

Figure 1-1. Front-Loading Chassis with Power Supplies on the Side (891630)

C1 C2 P1 P2 P3 P4 W1 W2 W3 W4 IF

S1 S2 R1

C1 C2 P1 P2 P3 P4 W1 W2 W3 W4 IF

T 5A

250V

IEC

Fuse

5A SB

250V

UL/CSA

100-200V

3A, 50 / 60 Hz

CAUTION:

For continued

protection against fire,

replace only with the same

type and ratings of fuse

Telephone

Equipment

Class 2 Power Source

LISTED 9K909

LR 77063

Premisys Communications, Inc.

Model: IMACS/600

24/48V 5A