RFL IMUX 2000 - Page 235

Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
IMUX 2000E1 RFL Electronics Inc.
NOTE: This configuration can only be used when the internal –48Vdc source is disabled. Consult RFL technical support
personnel for more information
a. Connections for 48-Vdc,125-Vdc or 250-Vdc
1
0
1
0
!
P.S. MAIN
ON
OFF
ON
OFF
P.S. REDUNDANT
COM
NC
NO
COM
NO
NC
+
_
R
R
+
SB
R
G
MAIN
STATION
BATTERY
+
REDUNDANT
STATION
BATTERY
+
F1
4A
F2
4A
1
0
1
0
!
P.S. MAIN
ON
OFF
ON
OFF
P.S. REDUNDA
Figure 8-3. Teminal strip power connections for IMUX 2000 multiplexers with redundant power supply modules
NT
COM
NC
NO
COM
NO
NC
+
_
R
R
+
SB
R
G
TO MAIN AC
POWER
SOURCE
48 VOLT TALK
CURRENT SOURCE
RING
GENERATOR
SLOW-BLOW FUSE
(0.12A x number of voice circuits)
+
HOT
NEUTRAL
GROUND
0.5A SLOW-
BLOW
FUSE
HOT
NEUTRAL
GROUND
TO REDUNDANT AC
POWER SOURCE
b. Connections for ac operation, and 48-Vdc talk current source for external ring generator, and for voice circuits.
F1
4A
F2
4A
January 23, 2004 8-7 (973) 334-3100