Paradyne 7925 Correction User's Manual

HotWire 7925-A1 E1 HDSL Standalone Termination Unit
Errata
Document Number 7925-A2-GK40-10
September 1997
Errors and exclusions in the User's Guide (Document No. 7925-A2-GB20-30) were detected after
printing. Please make note of the following corrections.
The following information should be included on page 1-1: Up to ten standalone units may be installed in
an optional HotWire 7900 10-slot Standalone Shelf, using a single power source. (The Standalone Shelf
is required for the –48 Vdc standalone model.)
The defaults shown on page A-2 are Terminal mode factory defaults. Switchpack mode defaults are
shown in this document.
Use the following illustration rather than the one on page C-2:
Switchpack S1
Position Settings*
1 OFF = CP
ON = CO
2 OFF = AMI line
encoding
ON = HDB3 line
encoding
3 OFF = Loops A and B
ON = Loop A
4 Must be OFF when
in Switchpack Mode
5 OFF = 75 ohm line
build-out
ON = 120 ohm line
build-out
6, 7 Must be OFF when
in Switchpack Mode
8 OFF = Unframed
ON = Framed
* Default in bold
7925-A2-GK40-10
TM
P1 P10
1 2 3 1 2 3
HDSL Line Jack
Figure C-1. G.703-Compatible Unit Switchpack and Jumper Locations
September 1997
VT100 Terminal
Modular Jack
P3
S1
1 2
P6
P7
3 2 1
C31
C33
3 2 1
1 2 3
P8
P12
1 2 3
3 2 1
P9
Jumper P11
Pins* Settings*
1-2 Terminal Mode
2-3 Switchpack Mode
Jumpers P6, P7
Pins* Settings*
3 2 1
1-2 120 ohm line
1 2 3
build-out
2-3 75 ohm line
build-out
Jumpers C31, C33
Pins* Settings*
1-2 75 ohm line
build-out
2-3 120 ohm line
build-out
97-15266-03
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