5502A
Operators Manual
C-2
Serial Connectors
The two 9-pin serial connectors on the rear panel of the 5502A Calibrator are used to
interface with a computer, or controller, and an instrument serial port. The pin
assignments of the rear-panel serial connectors are in conformance to EIA/TIA-574
standard and are shown in Figures C-2 (Host) and C-3 (UUT).
15
69
TRANSMIT DATA (Tx)
RECEIVED DATA (Rx)
DTE READY (DTR)
REQUEST TO SEND (RTS)
CLEAR TO SEND (CTS)
GROUND
fe-02.eps
Figure C-2. Serial 1 From Host Port Connector Pinout
TRANSMIT DATA(Tx)
RECEIVED DATA (Rx)
RECEIVED LINE SIGNAL
DETECTOR (RLSD)
CLEAR TO SEND (CTS)
REQUEST TO SEND (RTS)
DCE READY (DSR)
51
96
GROUND
fe-03.eps
Figure C-3. SERIAL 2 TO UUT Port Connector Pinout (connection side)
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