Safran SecureSync 2400 User Manual page 550

APPENDIX
Pin Assignments
Figure 5-62:
Pin No.
Top row of 5 pins
1
2
3
4
5
Bottom row of 4 pins
6
7
8
9
534
RS-232 Output:
±5V minimum
DC
±5.4 V typical
DC
Output impedance 300 Ω, minimum
-13.2 V to +13.2 V
DC
1PPS Output:
Signal level: 0V to 4.3 V (TTL compatible) into 50 Ω
Output impedance of buffer is ~7 to 10 Ω
Rise/fall times of ~20 nsec.
DB-9 connector "J2"
Signal Name
PPS_OUT 1PPS output
SERIAL_OUT_TX RS-232 Transmit data
SERIAL_OUT_RX RS-232 Receive data
NC No connection
GND Ground
NC No connection
NC No connection
NC No connection
NC No connection
DC
Function
SecureSync 2400 User Manual