Technical and Compliance Specifications
The following table details the technical specifications of Cisco VG400 Voice Gateway.
Table 5: Cisco VG400 Voice Gateway Technical Specifications
SM-X-72FXS
SM-X-24FXS/4FXO
SM-X-16FXS/2FXO
SM-X-8FXS/12FXO
Description
Physical
1.58 x 15.57 x 7.57 inches
1.58 x 7.44 x 7.6 inches
1.58 x 7.44 x 7.6 inches
1.58 x 7.44 x 7.6 inches
Dimensions (H
x W x D)
4.94 lb (2.24 kg)
2.12 lb (0.96 kg)
1.98 lb (0.90 kg)
1.90 lb (0.86 kg)
Weight
Power
128.16W
79.37W
70.32W
53.55W
AC power
10.68A on 12V
6.61A on 12V
5.86A on 12V
4.46A on 12V
Current
12V from backplane
12V from backplane
12V from backplane
12V from backplane
Voltage
-44V
-44V
-44V
-44V
On-hook voltage
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
Off-hook loop
current
32 o to 104 o F (0 o to 40 o
C)
32 o to 104 o F (0 o to 40 o
C)
32 o to 104 o F (0 o to 40 o
C)
32 o to 104 o F (0 o to 40 o
C)
Operating
temperature
-40 o to 158 o F (-40 o to
70 o C)
-40 o to 158 o F (-40 o to
70 o C)
-40 o to 158 o F (-40 o to
70 o C)
-40 o to 158 o F (-40 o to
70 o C)
Nonoperating
temperature
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
FXS loop
resistance
Up to 1400 ohms
Up to 1400 ohms
Up to 1400 ohms
Up to 1400 ohms
DID loop
resistance
20, 25, 30, and 50 Hz
20, 25, 30, and 50 Hz
20, 25, 30, and 50 Hz
20, 25, 30, and 50 Hz
Ring frequency
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
REN loading
Cisco VG400 Voice Gateway Hardware Installation Guide
7
Introduction to Cisco VG400 Voice Gateway
Technical and Compliance Specifications