Our Partner Part Number: EXC8015 Type: Tools Computer Interface Testers Description: RS232 DB25 4 LED Loopback Tester RS232 DB25 4 LED Loopback Tester Categories and Products Related to: RS232 DB25 4 LED Loopback Tester Click Heading for Related products > Main Product Categories > D-Style > DB25 > Testers for DB25 > EXC8015 > Tools > Testers > > Installation Products > Tools > Testers > > Tools > Comm Testers > > Installation Products > Tools > Comm Testers > Price: $20.30