Reported as a stable and convenient means to test Small Form-Factor Pluggable (SFP) and Small Form Factor (SFF) devices, the new LC Loopback assembly provides a durable thumb latch and contoured grip ...

Loopback tester checks transceiver operation The SFP Loopback test module checks pluggable transceiver ports by replacing the optics normally mounted on the front of an MSA-compliant transceiver.