16
Specifications
UltraVoice Remote Interface (UVRI-B)
Table 11 TC1 Sensing Inputs on Control Board
Quantity
4
Input Type
Optically Isolated.
To be connected to contact closure through a
series 1.00 K Ω resistor and with a 2.2K Ω resistor
across the contacts.
Senses;
Active loop;
< 360 Ω across End of Line Resistor.
Inactive loop;
> 360 Ω across End of Line Resistor.
Open loop; > 3.7K Ω total resistance.
Shorted loop;
< 750 Ω total resistance.
Ground Fault, Earth ground to;
< 63K Ω to ISOGND, > -12
µ
A
< 750K Ω to TC+12V, > 8
µ
A
Table 12 Signaling Formats
Number of codes
Up to 50 activation codes maximum
Functions allowed stacked under each code Up to 20
Two-Tone Sequential or Single Tone
Frequency range
Tone timing
Inter-tone Gap
Tone Accuracy
Tone Spacing
282-3000 Hz
First tone: 0.5 seconds minimum
Second tone: 0.25 seconds minimum
8 seconds maximum for both
400 ms (maximum)
+/- 1.5%
5.0% preferred, 3% minimum
Single Tone
Frequency range
Tone timing
Tone Accuracy
Tone Spacing
282-3000 Hz
0.5-8 seconds maximum
+/- 1.5%
5.0% preferred, 3% minimum
DTMF
String length
Mark/Space timing:
Decoder Minimum
Decoder Maximum
Encoder
Space between Stacked codes
All timings in milliseconds
3-12 standard DTMF characters
50 ms/50 ms (below 50/50 consult factory)
800 ms total mark/space timing per function
100 ms/100 ms mark/space timing
minimum 1.25 seconds
AFSK
Baud rate
Modem type
Mark frequency
Space frequency
Error checking
1200 bps
MSK (minimal shift key)
1200 Hz
1800 Hz
16 bit CRC
EAS
Supports standard EAS codes and wildcards
