FDS TBox-41 User Manual page 9

TBox-Radio
7. RS232
Jack-Stereo connection 3.5mm.
In conjunction with the TBox-Setup, the protocol output can be configured by the user.
 FDS / TAG Heuer / Alge / Seiko Time of day protocol
 Serial printer
 LEDs Display Output (FDS-MLED & TAG Heuer)
1: TBox TXD
2: TBox RXD
3: GND
8. In/Out Synchro (TBox-40)
Jack-4pin connection 2.5mm.
 Allows to synchronize the TBox with other timing systems
1: TBox +3.3V
2: TBox Sync In
3: TBox Sync Out
4: GND
TBox Sync In:
Internal resistor to Vcc:
Active state:
Inactive state:
TBox Sync Out:
Min ext resistor to Vcc:
Max Vcc:
Active state:
Inactive state:
February 2023 - Version EN 2.5
www.fdstiming.com
10 kOhm
Tie to Gnd, Sink current 0.3mA
Leave unconnected
1 kOhm
5V
Tied to Gnd (1ms)
Open circuit
User manual