[ Instant Diagnostics ] : Quickly test COM port function & verify RS-232 signal activity with dual-color LED indicators on each pin for easy troubleshooting. [ Universal Compatibility ] : Works with any male or female 9-pin RS-232 serial connection, supporting DB-9 Serial configurations. [ No External Power Required ] : Operates without external power - ideal for field work, portable kits, or low-resource environments. [ Plug & Play Installation ] : No drivers or setup needed - just connect and begin testing immediately. [ Quick Status Monitoring ] : LED indicators flash to signal the direction of data flow, allowing easy real-time monitoring. [ Broad OS Support ] : Compatible with Windows 11, 10, 8, 7, Linux, and macOS for flexible deployment across platforms.
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 Support
Windows 98, Me, XP, 2000, 2003, CE, Vista, Windows 7, and Windows 8
Linux and Mac OS 10.X