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Installation
/
INP PCA
30020-90009
SELF-TEST LEDs
147035-01
REST ART SWITCH
(SELF TEST
INITIATING SWITCH)
Figure 2-5.
Self-test Switch and LED Indicators
The following describes how to physically attach
the
HP
37210T
modem
to
a
Racal Vadic VA811 Auto Call Unit, and to the Tellco
phone line.
The
37210T modem should have option 3 installed, and be strapped
in the factory recommended 2-wire configuration.
If desired, the
Output Power Programming Resistor option can be enabled.
In this
case, the leads for the external resistor are passed through
the
Auto Call Unit, and the Tellco "programs• the output power in the
normal manner.
Note that the normal RJ45S jack supplied with the
modem option 3 will work with or without the
programming
resis-
tor.
The Racal Vadic VA811 should be
will strapped by Racal Vadic as
acteristics
shown
in
option
table for the VA811.
This also
plied by Racal Vadic.
ordered as a VA811D-SSR.
The ACU
a single line ACU with the
char-
table 2 of the attached strapping
specifies the
cable
types
sup-
The VA811 is a board product, and does not come
with
a
chassis
2-12
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Table of Contents
Troubleshooting
