ADC Kentrox ISDN NT1 1010 Especificações Página 123

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Reference Guide
3-17
System Installation System Power and Ground Connections
Figure 3-10. D/C Terminal Block on Two-Sided Chassis
with Power Supplies on the Side in a D/C Environment
Note:
Optional Telecom Signaling Ground - It may be required when the -48 VDC source
output is not referenced ground or when the system is AC powered. It is only needed
for the proper operation of the Telecom Ground Start and E&M signlaing circuits.
T 5A
250V
IEC
Fuse
5A SB
250V
UL/CSA
100-200V
~
3A, 50 / 60 Hz
U
®
CAUTION: For continued
protection against fire,
replace only with the same
type and ratings of fuse
Telep
Equip
Class 2 Power Source
Listed 9
LR 77
Model: IMACS/800
24/48V 5A
+
-
+
-
+
-
R
G
R
C
O
M
V
N
V
B
V
A
Optional Telecom Signaling Ground
-48 VDC Supply
-48 VDC Return
48 VDC Source
Protective Earth/Chassis Ground
-
+
Terminal Block
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