User
Manual
Version: 1.2
Page. 20 of 25
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
400 – 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:
approx:
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
-30
о
С
….+75
о
С
Relative humidity of air
5%…85%
