22
SMG Digital Gateway
Console Parameters
RS-232 serial port
Data transfer rate, baud
115200
Electric signal parameters
According to ITU-T V.28 guidelines
E1 Interface Parameters:
No. of channels
According to ITU-T G.703,G.704 guidelines
Line data transfer rate
2048Mbps
Line code
HDB3, AMI
Line output signal
3.0V peak for 120Ω load
2.37V peak for 75Ω load
(acc. to CCITT G.703 guidelines)
Entry signal from the line
From 0 to -6dB in relation to the standard output impulse
Elastic buffer
2 frame capacity
Signalling protocols
ISDN PRI (Q.931), QSIG and CORNET for subscriber name
transmission, SS7, V5.2
External synchronization signal parameters
Number of synchronisation inputs
2
Cable type
Symmetric 2-wire line (twisted pair)
Input impedance of synchronization receivers
120 Ohm
Incoming signal parameters
According to ITU-T G.703 recommendations, section 15:
2048kHz synchronization interface (T12)
Shape and frequency of incoming signal
squarewave signal 2048 kHz
General parameters
Operating temperature range
From 0 to +40°C
Relative humidity
Up to 80%
Power voltage
AC: 220V+-20%, 50Hz
DC: -48V+30%-20%
Power options:
- Single AC or DC power supply
- Two AC or DC power supplies with hot swapping
Power supply
AC:
DC:
PM designation
PM160-220/12
PM100-48/12
PM rated power
160W
100W
Power consumption
50W max.
Dimensions (W x H x D)
SMG-1016M
SMG-2016
430х45х260mm
430х45х340mm
Form-factor
19" form-factor, 1U size
Net weight
Complete device package
SMG-1016M
SMG-2016
3.2kg
5.3kg
Power supply
0.5kg
Vent panel
0.1kg
SATA storage device
1
0.1kg
1
For SMG-2016 only
