SMG digital gateway
13
Supported standards
10/100/1000BaseT
Console Parameters
RS-232 serial port
Data transfer rate, bps
115200
Electric signal parameters
Acc. to ITU-T V.28 guidelines
E1 Interface Parameters
No. of interfaces
SMG-4
SMG-2
4
1 or 2
2
Electric port
RJ-48
No. of channels
Acc. to ITU-T G.703 and G.704 guidelines
Line data transfer rate
2,048 Mbps
Line code
HDB3, AMI
Output signal to the line
3.0 V peak for 120 Ω load
2.37 V peak for 75 Ω load
(acc. to CCITT G.703 guidelines)
Input signal from the line
from 0 to -6 dB in relation to the standard output
impulse
Elastic buffer
2 frame capacity
Signalling protocol
ISDN PRI (Q.931), QSIG and CorNet to transmit user
name,
SS-7
General Parameters
Operating temperature range
from +5°C to 40°C
Relative humidity
up to 80%
Power voltage
12 V DC, 2 А power adapter
Power consumption
not more than 10 W
Dimensions (W x H x D)
187x124x32
Net weight
0.3 kg
Gross weight
0.5 kg
2
Only one E1 stream is available in an SMG-2 device by default. To activate another one, a special licence is required. For
more information about licences, see section
4.1.19
.
Licence Renewal