Valcom V-9972 Quick Start Manual page 4

Function Settings DIP Switch
Output Port Selection (SW 1)
Two output connections are available on the V-9972. The Talkback Page Out connection provides FXO
(loop-start trunk) signaling. The One Way Page Out connection provides a standard tip/ring audio output.
The default level of the One Way Page Out is -10dBm, but can be changed in software to +2.2 dBm for
applications that require the higher output level.
SW 1
ON
OFF
Silence Timeout Selection (SW 2 & 3)
Silence Timeout indicates how many seconds the V-9972 will stay active after the audio input has stopped.
This can be used to disconnect a call after the caller has stopped speaking. Three values are available with
the switch settings; additional options are available in software programming.
SW 2
OFF
OFF
ON
ON
Absolute Timeout Selection (SW 4 & 5)
Absolute Timeout indicates how many seconds the V-9972 will stay active for any caller. When the timeout
setting expires, the call is disconnected. Three values are available with the switch settings; additional
options are available in software programming.
SW 4
OFF
OFF
ON
ON
Input Port Selection (SW 6)
Input Port selects which of the Page Input RJ11 jacks is active. The ports are labeled FXO and FXS to
indicate the type of signaling provided. The FXS port detects off-hook condition and provides dial tone
to the circuit. The FXS port can be used with a standard phone or loop-start trunk port. The FXO port
is a loop-start trunk port and can be used with a Station Port or FXS on a PBX.
SW 6
ON
OFF
Talkback Page Out
Enabled
Disabled
SW 3
OFF
ON
OFF
ON
SW 5
OFF
ON
OFF
ON
Page Input FXS
Enabled
Disabled
One Way Page Out
Disabled
Enabled
Timeout
8 Seconds
4 Seconds
2 Seconds
Software control (default: no timeout)
Timeout
128 Seconds
16 Seconds
8 Seconds
Software control (default: no timeout)
Page Input FXO
Disabled
Enabled
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