Cisco 450 Manuel d'installation du matériel - Page 9
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Overview of Cisco VG450 Voice Gateway
Description
SM-X-8FXS/12FXO
Current
4.46A on 12V
Voltage
12V from backplane
On-hook voltage
-44V
Off-hook loop
25 mA (maximum) for
current
short loop-length-port35
mA for long
loop-length-port
Operating
32 o to 104 o F (0 o to 40 o
temperature
C)
Nonoperating
-40 o to 158 o F (-40 o to
temperature
70 o C)
FXS loop
Up to 600 ohms for short
resistance
loop-length-portUp to 1400
ohms for long
loop-length-port
DID loop
Up to 1400 ohms
resistance
Ring frequency
20, 25, 30, and 50 Hz
REN loading
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
Impedance
600c, 600r, 900c, 900r,
complex1, complex2,
complex3, complex4,
complex5, and complex6
FXS loop length
Short-loop-length port:
3000 ft (900 m) with 26
AWG, 5500 ft (1700 m)
with 24
AWGLong-loop-length
port: 11,000 ft (3400 m)
with 26 AWG, 18,000 ft
(5500 m) with 24 AWG
Cables
Category 3 and Category 5
The following table details the compliance specifications of Cisco VG450 Voice Gateway.
SM-X-16FXS/2FXO
5.86A on 12V
12V from backplane
-44V
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
32 o to 104 o F (0 o to 40 o
C)
-40 o to 158 o F (-40 o to
70 o C)
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 1400 ohms
20, 25, 30, and 50 Hz
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
600c, 600r, 900c, 900r,
complex1, complex2,
complex3, complex4,
complex5, and complex6
Short-loop-length port:
3000 ft (900 m) with 26
AWG, 5500 ft (1700 m)
with 24
AWGLong-loop-length
port: 11,000 ft (3400 m)
with 26 AWG, 18,000 ft
(5500 m) with 24 AWG
Category 3 and Category 5
Cisco 450 Voice Gateway Hardware Installation Guide
Technical and Compliance Specifications
SM-X-24FXS/4FXO
6.61A on 12V
12V from backplane
-44V
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
32 o to 104 o F (0 o to 40 o
C)
-40 o to 158 o F (-40 o to
70 o C)
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 1400 ohms
20, 25, 30, and 50 Hz
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
600c, 600r, 900c, 900r,
complex1, complex2,
complex3, complex4,
complex5, and complex6
Short-loop-length port:
3000 ft (900 m) with 26
AWG, 5500 ft (1700 m)
with 24
AWGLong-loop-length
port: 11,000 ft (3400 m)
with 26 AWG, 18,000 ft
(5500 m) with 24 AWG
Category 3 and Category 5
SM-X-72FXS
10.68A on 12V
12V from backplane
-44V
25 mA (maximum) for
short loop-length-port35
mA for long
loop-length-port
32 o to 104 o F (0 o to 40 o
C)
-40 o to 158 o F (-40 o to
70 o C)
Up to 600 ohms for short
loop-length-portUp to 1400
ohms for long
loop-length-port
Up to 1400 ohms
20, 25, 30, and 50 Hz
5 RENs per port
(short-loop-length port)2
RENs per port
(long-loop-length port)
600c, 600r, 900c, 900r,
complex1, complex2,
complex3, complex4,
complex5, and complex6
Short-loop-length port:
3000 ft (900 m) with 26
AWG, 5500 ft (1700 m)
with 24
AWGLong-loop-length
port: 11,000 ft (3400 m)
with 26 AWG, 18,000 ft
(5500 m) with 24 AWG
Category 3 and Category 5
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