Appendix F ___________________________________________________ RCP902 WSR98D Panel
VAISALA______________________________________________________________________ 461
F.7.1 J3 - Transmitter Triggers (Tx TRIGS)
Signal Type: DB37P
NOTE
- If a signal is an output, the Initial Condition column contains the
power-on state of that signal. This value may change once RVP900
boots and processes on host computer start.
- All RS-422 signals are capable of driving a 100 ohm or greater
terminated line.
- All RS-422 inputs are terminated with a 100 ohm resistor.
- To guarantee immunity and emissions performance, the power cables
should be shielded with a minimum shielding of 85% optical coverage.
The shield should make 360 degrees/circumferential electrical contact
with the metal case of the connectors at each end. For best signal quality,
twisted pairs should be used for all differential signals.
Signal Connections Initial Condition
1NC
2 RF_PULSE_START_TRG_N L
3 RF_DRIVE_TRG_N L
4 FILAMENT_RESET_TRG_N L
5 POST_CHARGE_TRG_N L
6 MOD_CHARGE_TRG_N L
7 MOD_DISCHARGE_TRG_P H
8NC
9 SHORT_BEAM_PULSE_SEL_P H
10 SHORT_RF_PULSE_SEL_P H
11 PULSE_RATE_IN_P0 H
12 PULSE_RATE_IN_P1 H
13 PULSE_RATE_IN_P2 H
14 TRIGGER_CHARGE_TRG_N L
15 NC
16 NC
17 NC
18 NC
19 NC
20 NC
21 RF_PULSE_START_TRG_P H
22 RF_DRIVE_TRG_P H
23 FILAMENT_RESET_TRG_P H
24 POST_CHARGE_TRG_P H
25 MOD_CHARGE_TRG_P H
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