Tellabs DSM 81.5502D PCMCIA Removable Storage Drive Rack Mount Module Telecom

Nortel NT5D12AHE5 Dual PRI Interface Circuit Card Rack Mount Telecom Module

Rare Vintage Databit CM311A07 Logic Board 1981/82 Telecom High-Grade Gold Scrap

Misc Telecom High Grade Circuit Board Lot Vintage 80's Tellabs + More!

15LB telecom circuit boards

Vintage 1983 Databit CM103C Telecom Logic Board | 8317 Databit A1 | AS-IS

Eltek Energy Telecom Power Control Alarm Board | 100578 100579V4 | AS-IS

Wescom 405 Relay Module 91-040500 ISS3 Vintage Telecom Circuit Board