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LFRG 1234 18 QXYZ GG FCCC CR
ADEMCO DTMF formats will not transmit a true TouchTone "0" therefore, all "A"s are converted to 0 (zero)
prior to output. The code string contains spaces at the points shown in Figure 8–9.
Contact ID Event Definition Codes are provided in Table 8–23.
8.7.5
CP-220/Silent Knight
The MX8000 processes 3 Silent Knight FSK protocols when operating in the CP-220 Mode. The formats are
Format 0, Format 1 (FSK1) and Format 6 (FSK 2). These protocols are discussed in the following
paragraphs.
FORMAT 0
When the MX8000 receives a Silent Knight Format 0 transmission, the output protocol to the computer is as
shown in Figure 8–10.
FORMAT 1
When the MX8000 receives a Silent Knight Format 1 (FSK 1) transmission, the output protocol to the
computer is as shown in Figure 8–11.
A space will be sent as the zone digit any time that the MX8000 receives a zero or letter a for the zone digit.
SPACE -ASCII (20HEX)
PROGRAMMABLE HEX TERMINATOR
(USUALLY CARRIAGE RETURN)
3 DECIMAL DIGITS REPRESENTING CONTACT OR USER
DEFINES CCC. C = CONTACT, U = USER.
2 DIGIT GROUP NUMBER
EVENT DEFINITION CODE
EVENT CHARACTER WHERE
E = EVENT, NEW ALARM/OPENING
R = RESTORE/CLOSING
P = PREVIOUSLY REPORTED, STATUS
DEDICATED IDENTIFIER FOR CONTACT ID
4 DECIMAL DIGIT ACCOUNT NUMBER
RECEIVER GROUP NUMBER (0-Z)
RECEIVER NUMBER (0-Z)
PROGRAMMABLE HEX HEADER
(USUALLY LINE FEED)
Figure 8–9: CP-220 Contact ID Protocol
RG1234A3T
PROGRAMMABLE TERMINATOR
ALARM DIGIT
ALWAYS A (FILLER CHARACTER)
ACCOUNT NUMBER
GROUP NUMBER
RECEIVER NUMBER
Figure 8–10: CP-220/Silent Knight Format 0
RG123431T
PROGRAMMABLE TERMINATOR
ALARM DIGITS
ACCOUNT NUMBER
GROUP NUMBER
RECEIVER NUMBER
Figure 8–11: CP-220/Silent Knight Format 1 (FSK 1)
Section 8 – Automation Communication Formats
8–23
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Troubleshooting
