UTEL Digital Subscriber Line Test Methodology

A quick overview of how UTEL Test equipment connects into the telecom infrastructure to provide fast fault detection.

Providing and sustaining a rapid diagnostic and restoration system leads to improved customer satisfaction and fewer complaints.

Test Access Matrix to test a 2 wire circuit

Two wire Test Access Matrix

Normal State
Circuit switched through

Switched State
Left hand side routed to test points, test, listen

Possible Tests  If test equipment supports test
dc voltage, ac voltage, Capacitance, Resistance, Loop, Disconnect, Each leg to ground, dc, ac, etc, Listen, Noise, Measure cable length

Two wire Test Access Module

Normal State
Circuit switched through

Switched State
Right hand side routed to test points, test, listen

Possible Tests  If test equipment supports test
dc voltage, ac voltage, Capacitance, Resistance, Loop, Disconnect, Each leg to ground, dc, ac, etc, Listen, Noise, Measure cable length

Test Access Matrix - two wire

Normal State
Circuit switched through

Switched State
Both side switched through - monitor line, test, listen

Possible Tests  If test equipment supports test
dc voltage, ac voltage, Capacitance, Resistance, Loop, Disconnect, Listen, Noise