Spectracom SecureSync User Reference Manual page 338

5.2 Time and Frequency Option Cards
Figure 5-17:
5.2.7.1 Pin Assignment: DB-9 Connector
Outputs: Alarm0, CTC0 Out, CTC1 Out, CTC2 Out (with only one Simulcast option card installed)
Figure 5-18:
PIN
1 RS-485 + Terminal Output 0+
2 RS-485 + Terminal Output 1+
3 RS-485 + Terminal Output 2+
4 Ground = Normal
OPEN = ALARM
5 Cable Shield
6 RS-485 – Terminal Output 0 –
7 RS-485 – Terminal Output 1 –
8 RS-485 – Terminal Output 2 –
9 Cable Shield
Table 5-7:
322
Model 1204-14 option card rear plate
NOTE – Alarm Output 0 through Alarm Output 3 are reserved by SecureSync. In the
Web UI, numbering for alarm outputs for this option card will begin at Alarm 4, which
is available on the DB-9 output, while Alarms 5 and 6 are assigned to the RJ-12 con-
nector.
DB-9 connector pin-out
NOTES SIGNAL
Major Alarm
Ground
GROUND
DB-9 pin-out
819x Mapping 819x Option17 Mapping
+9.6 kHz +CTCSS #1
+18 kHz +18 kHz
+1 PPS +CTCSS #2
Major Alarm Major Alarm
Ground Ground
–9.6 kHz -– CTCSS #1
–18 kHz – 18 kHz
–1PPS – CTCSS #2
GROUND GROUND
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5 SecureSync User Reference Guide Rev. 18