Service manual

10
Specifications
DCB, DCFCB and DCFCTB Models
Serial Communications
Serial Communications
Serial Port Configuration
RS232C 1200,N,8,1
Signaling Format Specifications
Six (6) user programmable functions in addition to the five (5) preset functions:
ARM, DISARM, REPORT, GROWL TEST, and MASTER RESET. Wildcard
options for each of the DTMF strings.
Two Tone Sequential
Frequency range
282 Hz - 3000 Hz
Tone timing
1st Tone – 0.5 second minimum
2nd Tone – 0.25 second minimum
8 seconds maximum for both tones
Intertone Gap
400ms (maximum)
Tone Accuracy
+/- 1.5%
Tone Spacing
5.0% preferred, 3% minimum
Single Tone
Frequency range
282 Hz - 3000 Hz
Tone timing
0.5 second - 8 seconds maximum
Tone Accuracy
+/- 1.5%
Tone Spacing
5.0% preferred, 3% minimum
DTMF
All timing in milliseconds
String length
3 - 12 standard DTMF characters
Mark/Space timing:
Decoder Minimum
50 ms/50 ms (below 50/50 consult
factory)
Decoder Maximum
800 ms total mark/space timing per
function
Encoder
100ms/100ms mark/space timing
Space between Stacked codes,
minimum
1.25 seconds
FSK
Baud rate
1200 bps
Modem type
MSK (minimal shift key)
Mark frequency
1200 Hz
Space frequency
1800 Hz
Error checking
16 bit CRC
EAS
Supports standard EAS codes and wildcards.