CHAPTER 4 : GENERAL INFORMATION AND FEATURES
3.4
Detailed Description Of The Menu Tree
3.4.1 Test
Menu
ITEM NAME
DESCRIPTION
CLEAR ALL
Clear all the tests in one time, and a prompt "Has been
done" shall be shown.
AL
➧
ON
➧
OFF
Local analog loop test (ON/OFF). This test is normally
used to certify if the NTU is in normal operation
condition.
RDL
➧
ON
➧
OFF
For remote digital loop test (ON/OFF). This test can
control remote NTU to perform digital loop for finding
out if the NTU and line of both ends are in normal
condition.
RDL Grant
➧
ON
➧
OFF
Set for accepting remote digital loop (RDL) test.
/Enable
/Disable
DL
➧
ON
➧
OFF
For digital loop test (ON/OFF). This test enable the
received digital data de-framed and send back to match
with the far end test.
TP TYPE
Test
patterns
selection (CCITT V.52 Rec.)
➧
ON
/"511"
pattern.
➧
OFF
/Turn off this function.
ERROR COUNT
Bit error count display function.
➧
0....16383
/Press Left or Right shift key to insert error.
/Press “ENTER” key to clear error count
-15-
Summary of Contents for DT-128 Series
Page 2: ......
