Specifications

Reference Guide
1-9
System Overview Chassis Types
Figure 1-6. Power Supply and Ringer Supports for Power Enhanced Chassis (891930)
Power Supply and
Ringer Supports
RGR1NS1 RGR2 P1 P2NS2
C1 C2 P1 P2 P3 W1 W2 W3 W4 IF U1
C1 C2 P1 P2 P3 W1 W2 W3 W4 IF
U1 U2 U3 U4 U5 U6 U7 U8
U2 U3 U4 U5 U6 U7 U8
HP1 NS1 R1 HP2 NS2 R2 P1 P2
CAUTION: For continued protection
against fire, replace fuses only
with the same type and rating.
Fuse 8A
Time Delay
RGR
COM
V
NA
+
-
V
NB
+
-
V
A
+
-
V
B
+
-
U
L
®
®
Premisys Communications
Model: IMACS/900
105-240V
~ 6A 50/60 Hz
LISTED 9K09LR 77063
Telephone Equipment