User Manual
6 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
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
Power supply
Supply voltage:
~220 V
±
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%
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