Switchpack And Jumper Locations - Paradyne HOTWIRE 7924 User Manual

Customizing HotWire 7925 Nest Card Termination Units

Switchpack and Jumper Locations

4-2
Use Figure 4-1 to locate HotWire 7925 nest card jumpers and switchpack S1.
Figure 4-1. HotWire 7925 Nest Card Switchpack Locations and Jumper Positions
Pin 1 on jumpers is labeled on the board.
The ON position is labeled on the switchpack.
The jumper on P12 is positioned at the factory on Pins 1–2 (switchpack S1
disabled). To enable switchpack S1, move the jumper on P12 to Pins 2–3.
August 1997
Position Setting
Default in Bold
1 OFF = CP
ON = CO
2 OFF = AMI line encoding
ON = HDB3 line encoding
3 OFF = Loops A and B
ON = Loop A
4 Unused
5 OFF = 75 ohm line
build-out
ON = 120 ohm line
build-out
6 Unused
7 Unused
8 OFF = Unframed
ON = Framed
7920-A2-GB20-10