Atec Agilent-E4438C - Manual (Page 36)

36
RS-232 connector
This male DB-9 connector is an RS-232 serial port that can be used for controlling the signal
generator remotely. It is functionally equivalent to the GPIB connector. The following table
shows the description of the pinouts. The pin configuration is shown below.
Pin number Signal description Signal name
1 No connection
2 Receive data RECV
3 Transmit data XMIT
4 +5 V
5 Ground, 0 V
6 No connection
7 Request to send RTS
8 Clear to send CTS
9 No connection
View looking into rear panel connector
Auxiliary I/O connector
This connector enables you to access the inputs and outputs of the baseband generator. The
figure below shows the Auxiliary I/O pin connector configuration.
View looking into rear panel connector
Mating connector 37 pin male D-subminiature, available from AMP, 3M, others.
Event 3
Event 4
Patt trig in 2
Alt pwr in
Parallel data 1*
GND
GND
GND
GND
GND
Parallel data 8*
Parallel data clk*
Data out
Data clk out
Sym sync out
BER sync loss
GND (BER)
GND (BER)
BER meas end
GND
GND
GND
GND
Parallel data 2*
Parallel data 3*
Parallel data 4*
Parallel data 5*
Parallel data 6*
Parallel data 7*
GND
GND
GND
GND
GND
BER meas trig/BER no data
BER err out
BER test out
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19
20
1
*Future capability
5 4 3 2 1
9 8 7 6
General Characteristics