Loopback Adapter Tester Plug Serial DB25-F DB9-F (RS232)
A very nice addition to any tech's tool kit.
These work great and can test additional wires besides just the send and recieve.


Wiring Wired Together DB-25 port: 2-3, 4-5, 6-8-20-22. DB-9 port: 3-2, 7-8, 6-1-4-9.Originally Used with IBM PC Diagnostic Software.
Used with Checkit Software.
For a fast test install and use Terminal it should echo back.
Part # 31020
1IN BEIGE
1IN RED
2IN BEIGE
$5.95
QUANTITY | DISCOUNT | PRICING |
---|---|---|
1-9 | 10-99 | 100-999 |
$5.95 | $5.65 | $4.85 |
1IN RED
2IN BEIGE
Certifications:




Technical Drawing for Part 31020