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NTU_SM_S09_P1>
It is reserved for further developments.
Technical specifications
The main technical specifications of modems of the Black Box DSL family are presented below in the table.
Line interface.
Standard
ETSI 101 135
Number of pairs
1 or 2
Line rate (every pais)
192 – 2320 Kbit/s
Communication range for cables with the
wire diameter of
144 Kbit/s
2320 Kbit/s
0.5 mm:
7.7 km
3.4 km
1.2 mm:
31 km
13.7 km
Line code
2B1Q
Input impedance of the physical line
135 Ohm
Output signal level
7.8 – 14.8 dBm
Transmission spectrum
from 0…96 kHz to 0…1160 kHz
User’s interface
Standard: IEEE-802.3
IEE-802.1Q
Interface type:
Ethernet 10/100Base-T, Full/Half Duplex
Connector: RJ-45
Management
Monitoring
VT100
Telnet
Power supply
Supply voltage:
~220 V
±
10%; 50 Hz
-48VDC
Power consumption:
No more than 5 W for Mds931C-1
No more than 5 W for MDS931C-2 / MDS931AE-2
Grounding resistance
No more than 10 Ohm
Protection
Conforms to the requirements of the GOST (State Standard) 12.2
85, GOST 7153-85,
GOST
Р
.50033-92 and Norm 9-93
Climatic conditions
Temperature range
-5
о
С
….+45
о
С
Relative humidity of air
5%…85%
Date 21.10.03
page 26 of 29
