Reference Guide
IMACS System Release 5.1.9
1-5
System Overview
Chassis Types
Figure 1-3. Rear View of Two-Sided 891830 Chassis
Figure 1-3 shows the rear of the two-sided chassis. The eight user slots U1 through U8 hold a
combination of user cards. The slot labeled IF holds the Interface card.
Slots R1 to R5 hold the optional AC-to-DC power converters and ring generators.
Use Table 1-2 to determine your two-sided chassis card slot configuration.
IF
U1
U2
U3
U4
U5
U6
U7
U8
R1
R5
R4
R3
R2
IF
U1
U2
U3
U4
U5
U6
U7
U8
T 5A
250V
IEC
Fuse
5A SB
250V
UL/CSA
100-200V
~
3A, 50 / 60 Hz
U
L
®
®
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/800
24/48V 5A
+
-
+
-
+
-
R
G
R
C
O
M
V
N
V
B
V
A