950-779-115-02, Revision 02
Overview
PRL-770 and PRL-779 List 1E and 2E
March 17, 2000
3
LS/GS Interface
Analog Impedance
600
RT supervisory range
300
plus 430
for handset; or 3.5 kft on 26 AWG; 5.7 kft on 24 AWG;
9.2 kft on 22 AWG
Detection of Loop Open
>10 k
Idle State Voltage
-48 V minimum
Loop Current
23 mA minimum
Ring Generation
PRL-770
Balanced Trapezoidal 40 Vrms minimum @ 20 + 3 Hz up to 5 REN per line
(10 REN total at RT)
PRL-779
Unbalanced Trapezoidal 40 Vrms minimum @ 20 + 3 Hz up to 5 REN per line
(10 REN total at RT)
Ring Trip
Removed in 200 ms after Loop Closure
Connectors
HDSL
Insulation Displacement Contact (IDC) Connector
LS/GS
IDC Connector
Dimensions
Height
9 in. (228.6 mm)
Width
6 in. (152.4 mm)
Depth
1.8 in. (45.7 mm)
Weight
PRL-770
1 lbs. 11 oz. (.76 Kg)
PRL-779
2 lbs. 3 oz. (1 Kg)
