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5 TECHNICAL SPECIFICATIONS
The main technical specifications of modems of the Black Box family are presented below in
the table.
Line interface.
Standard ETSI 101 135
Number of pairs 1
Line rate 2 wire models
4 wire models
72 – 2312 Kbit/s
144 – 4624 Kbit/s
Communication range for cables with
the wire diameter of
144 Kbit/s
2320 Kbit/s
(values are depending on noise
environment and line quality)
0.4 mm:
approx:
8.2 km
3.6 km
0.9 mm:
aprox:
31 km
13.7 km
Line code G.shdsl (TC-PAM)
Input impedance of the physical line 135 Ohm
Output signal level 0.5dBm – 15.5 dBm
Transmission spectrum from 0…450 kHz
User’s interface
Standard: IEEE-802.3
IEEE-802.1Q
Interface type: Ethernet 10/100Base-T, Full/Half Duplex
Connector: RJ-45
Management
Monitoring / Configuration VT100 and TELNET
Power supply
Supply voltage:
~220 Vac ± 10%; 50 Hz
Power consumption: No more than 5 W
Grounding resistance No more than 10 Ohm
Protection Conforms to the requirements of the GOST (State
Standard) 12.2007.0-85, 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%
Version: 1.2 Page. 20 of 25