15 | P a g e
FSK EXTENDED
BAUD RATE: 1200
Stop Bits: 1
Data Bits: 8
Parity: NONE
Handshaking: NONE
String Format <SOT>
Start of Text ASCII Char 2
ACCOUNT 1-5 Account Code (5 ASCII
characters, e.g. 12345)
INFORMATION 1-3 Alarm Information (3
ASCII characters, e.g.
097)
REPEATER 1-2 Repeater Number (2
ASCII characters, e.g.
01)
Repeater is set to 31 if
the signal is received
directly
RSSI Relative Signal Strength
Indicator
ASCII character 0 to 7 (0 =
weakest, 7 = Strongest)
<CR> Carriage Return (ASCII
character 13)
<LF> Line Feed (ASCII
Character 10)
<EOT> End of Text (ASCII
Character 4)
FSK7 (CONTACT ID)
Baud: 9600
Parity: none
Stop bits: 1
Data bits: 8
Handshaking: none
Base to PC (spaces for readability only)
$02 T AAAAA Q CCC PP ZZZ S RR I I NFF $0D
$02 -Start of text 2 hex.
T -Message type (ASCII) ‘C’ *
AAAAA -5 digit account code (ASCII)
Q -Qualifier E, R, S (ASCII) **
CCC -Alarm code 000 to 999 (ASCII)
PP -Partition 00 to 99 (ASCII)
ZZZ -Zone or user 000 to 999 (ASCII)
S -Start code 0 to 7 (ASCII)
RR -Repeater ID 00 to 32 (ASCII)
I -RSSI Local 0 to 7 (ASCII)
(Repeater)
I -RSSI Remote 0 to 7 (ASCII)
(Transmitter)
N - Line Card or slot number A = Line
Card 0, I = Line Card 8
FF -Free space = 00 (ASCII)
$0D -Carriage Return 13 decimal.
* T Only one message type ‘C’ in use. The
ASCII character C means that the alarm
codes (CCC) correspond to the ADEMCO 18
contact ID alarm codes. The alarm codes are
defined in the SIA-05-1999.09 document.
** Q Event qualifier: E = new event, R =
event restore, S = status report.
***N Line Card or Slot.
Identifies the Line Card (slot) from which the
alarm comes in the Multi-Router.
Slot 0 is sent as ‘A’, slot 8 is sent as ‘I’
Slot 0 is for local messages from router (e.g.
heartbeat, power-up etc.)
Slots 1 to 8 are used to identify the receiver
which received the signal.
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