ADTRAN 1200310L1, User Manual

Page: 25 / 34

Chapter 3. Operation
61200310L1-1 Octal and Quad FXO Modules User Manual 3-7
T
EST
Displays the test name if the module is executing a test. Press
Enter
in this
field to activate the menu.
T
EST
2W
Activates 2W (FXO) tests on a per port basis. Test options include O
FF
(no
tests are active), L
OOP
O
PEN
, L
OOP
C
LOSED
, and R
ING
G
ROUND
. Table 3-1 on
page 3-7 displays information about the tests based on Tip and Ring output.
T
X
ABCD
Forces the Tx RBS to a specified value: O
FF
, 0000 , 0101 , 1010 , or 1111 .
1
K
H
Z
T
ONE
Sends a 1kHz tone into the following locations, based on test selection: N
EAR
sends the tone out the 2W FXO port, while F
AR
sends the tone into the digital
PCM stream of the ATLAS 550 controller. These tests are useful for verifying
a voice path.
L
OOPBACK
Activates Loopback tests per port as follows:
The 2W tests disrupt calls in progress.
Table 3-1. Test 2W Information
Test Tip Output Ring Output
Loop Open High impedance High impedance
Loop Closed Off-hook impedance Off-hook impedance
Ring Ground High impedance R to ground
Calls may be affected when activating this test.
Off Normal operation.
Analog Loops the 2W test on itself.
Digital Loops digital data entering the FXO on itself.
Loopback tests disrupt calls in progress.