1261B User Manual
Operating The 1261B 3-12
Racal Instruments
Ó
1995
Table 3-5, J412 EMS RS-232 Port
Pin
Signal
Description
2
TXDA
Transmit Data
3
RXDA
Received Data
5
GND
Logic Ground
7
CTS
Clear To Send
8
RTS
Request To Send
1,4,6,9
RSV
Reserved
Table 3-6, J413 EMS TTL Trigger Connector
Pin
Signal
Description
1
TRIG IN
TTL level input signal which is
routed to any one of the eight
TTLTRIG lines on the VXI
backplane, with or without a
programmable delay applied.
2
TRIG OUT
TTL output signal which is routed
from any one of the eight
TTLTRIG lines on the VXI
backplane, with or without a
programmable delay applied.
6,7,8
GND
Logic Ground
3-5,9
RSV
Reserved
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