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RTU-292 Operations Manual
Table 2-1 RTU-292 Factory Default Settings
This table describes the settings of all RTU-292 internal adjustments and switch positions as set
when the unit is shipped.
Feature / Function Adjustment Default Setting
Telephone Send and Receive Levels SW2-1, 2,3 -9 dBm
Dial Mode SW1-4 DTMF
VOX Sensitivity SW2-4, 5 Medium
VOX Hangtime SW2-6 Long (2 second hangtime)
Full/Half Duplex SW2-8 Half Duplex
RX Audio Interface JP1, JP2 600 Ohms, Balanced
TX Audio Interface JP3 600 Ohms, Balanced
R156, Ring Volume Midrange
R116, RX Lvl Adj 0 dBm input
Internal Audio Potentiometers
R133, TX Lvl Adj 0 dBm output
Serial Port Baud Rate SW1-1, 2 9600 Baud
Spare SW1-3 Off
Password Protection SW1-5 Disabled
Voice Prompts Enable SW1-6 Enabled if Option Installed
Local Phone Enable SW1-7 Enabled if Option Installed
Local Phone Ring Through SW1-8 Enabled if Option Installed
DC Input Power Selection
(+12 or +24/28 VDC)
Internal Switch S6 +24/+28 VDC (nominal)
(+22 to +30 VDC)
JPS Communications, Inc.
2-3