Addendum: 202T built on 1224 printed circuit board.
Test Functions:
A momentary push button switch and two yellow LED’s are provided to perform the test functions. When both LED’s are OFF, the modem is in normal mode. Power ON reset insures the modem starts in normal mode.
1)Pressing the switch once causes the DL LED to turn ON and the modem is in DIDITAL loopback.
2)Pressing the switch a second time illuminates both LED’s, and the modem provides a SPACE frequency carrier.
3)Pressing the switch a third time turns on the AL LED, and the modem is in Analog Loopback.
4)Pressing the switch one more time returns the modem to normal mode.
NOTES:
MIU202T Installation, Operation & Diagnostics Edition: December 28, 2000 Page 23
