PairGain PRL-770, Руководство пользователя

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Revision 01 March 14, 1997 950-770-100
Page 4 PairGain Engineering-Plant Series PG-Plus PRL-770
2. Specifications
Dimensions
Height......................................................... 10.25"
Width ......................................................... 8.5"
Depth.......................................................... 4.75"
Weight........................................................ 4 lbs. 10 oz.
Power
HDSL Line Operating Input Voltage: ......... 135 V dc (Tip to Ring, minimum)
HDSL Line Start up Voltage:...................... 200 V dc (Tip to Ring, minimum)
PRL-770 Input Power: ................................ 10.9 Watts (Tip to Ring, maximum)
HDSL
HDSL Line Code: ....................................... 2B1Q
HDSL Line Rate: ........................................ 130.6 K symbols/sec (261.3 K b/sec)
HDSL Reach............................................... 15.0 kft, 26 gauge
21.7 kft, 24 gauge
31.2 kft, 22 gauge
Environment
Temperature ............................................... -40ºC to +65ºC
-40ºF to +149ºF
Humidity .................................................... 5% to 95% (non-condensing)
Altitude ...................................................... -60m to 4,000m
-200' to 13,000'
Vibration .................................................... NEBS
Electro-Static Discharge (DSD) .................. Per GR-1089-CORE
Power and Lightning................................... Per GR-1089-CORE
Human Safety ............................................. UL 1459
Emissions Radiation and Immunity............. Per FCC part 15 for class B equipment
Connectors
HDSL ......................................................... 3-terminal station protector, 3/8 inch hex nut
POTS.......................................................... Screw Terminals on RJ-11 line interface
POTS Interface
Analog Impedance ...................................... 600
Ω
PRL-770 remote unit Supervisory Range .... 100
Ω
plus 430
Ω
for handset
Detection of Loop Open.............................. > 10 k
Ω
Idle State Voltage ....................................... -48V (minimum)
Loop Current .............................................. 23 mA (minimum)
Ring Generation.......................................... Balanced, Trapezoidal 40 Vrms (minimum) @ 20
±
3 Hz in up to
5 REN per line (10 REN total at PRL-770 remote unit)
Ring Trip .................................................... Removed in 200 ms after Loop Closure