Fluke OF-500-01 OptiFiber, Technical Reference Handbook, Page: 250 / 278

OF-500 OptiFiber Certifying OTDR
Technical Reference Handbook
12-26
Serial Interfaces
The tester has a USB client interface and an EIA/TIA-232
(RS-232; DB9) interface for uploading test results to a PC
and updating the tester’s software.
The RS-232 serial port connects to a PC with a null-modem
cable. Tables 12-2 and 12-3 and show the pin connections
for the cable and the 9-to-25-pin adapter available from
Fluke Networks.
Table 12-2. RS-232 Interface Cable Connections
Tester End (female DB9)
Direction
PC End (female DB9)
Signal Name Pin Pin Signal Name
Data carrier detect 1
←
4 Data terminal ready
Receive data 2
←
3 Transmit data
Transmit data 3
→
2 Receive data
Data terminal ready 4
→
1 Data carrier detect
Signal ground 5
←→
5 Signal ground
Not connected 6 6 Not connected
Request to send 7
→
8 Clear to send
Clear to send 8
←
7 Request to send
Not connected 9 9 Not connected