ZETRON 4000 Series, Installation Manual

Page: 161 / 418

161
Configuring a Console
Table 66: Model 4118, 4217B, and 4219 Jumper-Selectable Options
Select/Unselect Audio Hookswitch Bypass
It may be desirable to leave the speaker audio enabled when the handset is lifted from its
cradle, or when a headset is plugged into its jack. It may also be desirable to monitor the
audio on the headset. The Select and Unselect jumpers may be used to choose different
options.
Headset/Handset Unselect Monitor
It is sometimes desirable to monitor both Select and Unselect audio on the earpiece of the
headset or handset. The jumper may be used to enable the Unselect audio monitoring.
Option Name Setting
Select Speaker/Headset & Handset audio
Select audio to select speaker JP10-A
Select audio switch under software control JP10-B *
Select audio to handset/headset interface JP10-C
Unselect Speaker/Headset & Handset audio
Unselect audio always to unselect speaker JP8-A *
Unselect audio switch under software control JP8-B
Unselect audio to handset/headset interface
JP8-C
Headset/Handset Unselect Monitor
Unselect audio open to handset/headset JP7-A *
Unselect audio to handset/headset interface JP7-B
Auxiliary Audio to Select audio
Auxiliary Audio input open JP2-A *
Auxiliary Audio input to Select audio JP2-B
Auxiliary Audio input impedance
Auxiliary Audio 600 ohm impedance JP3-A *
Auxiliary Audio 10 k  impedance JP3-B
Recorder Output & VU meter
Unselect audio open JP9-A *
Unselect audio to Recorder Output and VU JP9-B
Operator Paging/Alert Audio
Operator audio to Select speaker JP11-A *
Operator audio to Unselect speaker JP11-B
* Factory default.
JP4, JP1, and JP5 are not used.