5500A
Operator Manual
C-2
Serial Connectors
The two 9-pin serial connectors on the rear panel of the 5500A 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-1 (Host) and C-2 (UUT).
Serial connection cables are available from Fluke are shown in Table C-2. See Chapter
9, “Accessories,” for ordering information.
Table C-2. Serial Port Connection Cables
Connection Cable Fluke Part Number
5500A SERIAL 1 FROM HOST PC COM port (DB-9) PM8914/001
5500A SERIAL 1 FROM HOST PC COM port (DB-25) RS40
5500A SERIAL 2 TO UUT UUT serial port (DB-9) 943738
5500A SERIAL 2 TO UUT UUT serial port (DB-25) n/a
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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