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P
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. 42004-472B
A
UTO
-D
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ELEPHONE
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ANUAL
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AGE
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f:\standard ioms - current release\42004 instr. manuals\42004-472b.doc
01/15
Setup
Hardware Configuration
The hardware configuration options are explained in detail in the following sections, and the necessary
jumper settings are identified to enable or disable each option. Reading each section and recording the
selected options prior to making the necessary changes is recommended. Create a record of your settings
using Table 2 on page 15. See Figure 11 on page 16 for the jumper locations.
Auto-answer Configuration
Factory Setting
: Auto-answer feature enabled
The Auto-answer feature enables or disables the automatic answering of an incoming call, which allows
TMA to monitor the health of this telephone via polling with SMART operation enabled and remote
programming in standard mode. When the Auto-answer feature is enabled, the telephone automatically
answers the call and attempts to communicate with TMA. If the caller is not TMA, the telephone
automatically transitions to a standard two-way communication.
Enable
: J14 jumper in position EN .
Disable
: J14 jumper in position DIS (Do not use this setting except under the direction of GAI-Tronics
personnel.)
N
OTE
:
The Auto-answer feature must be enabled to allow the GAI-Tronics Telephone Management
Application PC to contact the telephone or to allow remote Touch Tone programming.
Polarity Configuration
Factory Setting
: Non-polarity sensitive
This telephone can be configured to be polarity or non-polarity sensitive. With the non-polarized setting,
the telephone operates regardless of tip and ring polarity. With the polarized setting, the telephone only
operates with the telephone line’s positive terminal connected to the tip. Use the Polarity Sensitive
setting to allow a line voltage reversal disconnect signal to disconnect the call.
Non-polarity Sensitive
: J6 jumper in position NON .
Polarity Sensitive
: J6 jumper on in position POL .
DTMF Gain Select Configuration
Factory Setting
: Low Gain selected.
Two gain selections are available in the DTMF detection circuit. In most installations, the low gain
setting is recommended. The high gain setting may be necessary if the telephone is not responding to
manual or TMA-generated DTMF commands.
Low Gain Selected
: J17 jumper in position LO .
High Gain Selected
: J17 jumper in position HI .