TC Communications TC8614 User Manual page 30

Chapter 4 Tutorial
5. On the local TC8614, set DIP switch SW2 (Remote Loopback) to the "On"
(Down) position. Observe that the "ALM" alarm LED will flash indicating that
the unit is in (remote loopback) mode. The "RX," and "TX" LEDs on local unit
Analog Port 1 should be solidly lit indicating the analog signal is looped back
as shown on diagram below.
6. On the remote TC8614, observe that the "ALM" alarm LED will flash
indicating that the unit is in (remote loopback) mode. The "TX" LED will be
solidly lit. The "RX" LED will be flashing amber.
7. The Customer's Analog Device should receive audio signal back as
transmitted.
8. Upon successful completion of this test, return SW2 on the local unit to the
"Off" (Up) position.
4-5
Remote Loopback Test (for 4-Wire analog only)
TC8614 Rev 1.4 User Manual