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Introduction: The DB9 Tester is the easiest way for you to test the connection on any male or female 9 Pin Serial connections. This adapter allows you to monitor the status of your connections by marking them with LEDS, which flash when there is activity on the pins. This device is easy to install, it features a Plug & Play Easy test RS-232 Host to Device link.
Pin Assignments: DB - 9 Pin assignment Pin1 /
Pin8: DCD IN Pin2 /
Pin3: RXD IN Pin3 /
Pin2: TXD OUT Pin4 /
Pin20: DTR OUT Pin5 /
Pin7: GND Pin6 /
Pin6: DSR IN Pin7 /
Pin4: RTS OUT Pin8 /
Pin5: CTS IN Pin9 /
Pin22: RI IN
Additional Features and Specifications: RS-232
DTE connector: DB9 - M
RS-232 DCE connector: DB9 -
F Data rate: Up to 200 K bps With GND & Shell Test's LED Single / TTL out 1 - LED appear Green (V-) Single / TTL out 0 - LED appear Red (V+)
Housing: Plastic
Weight: 55g
Dimensions (LxWxH): 45 * 35 * 21 ( mm ) body OS SupportWindows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8 Linux and Mac OS 10. X