Fluke TS53 PRO, User Manual, Page: 16 / 38

12
TS54TDR/TS53 PRO Test Sets
Users Guide
Test for Data on the Line (TS53 PRO)
On the TS53 PRO test set, press
U
while in Monitor
mode to do a test for data on the line. If data is
present, the display shows
Data Present On Line
. If
data is not present, it shows
No Data Present On Line
.
If you press
P
when data is present, the TS53 PRO
test set does a data lockout. See "Data Lockout
Operation" on page 13.
Talk Mode
To select Talk mode, press
P
. The test set performs a
brief test for high-speed data and it looks for talk
battery on the line. If high-speed data is detected, the
test set generates an audio alarm and remains on-
hook. If high-speed data is not detected and talk
battery is present, the test set goes off-hook. When off-
hook, the test set operates like a standard telephone
and is typically used to verify the proper operation of a
voice telephone line or to establish temporary
communications on a “borrowed pair”.
Low Voltage Lockout
If you press
P
, and the test set sees 4 V or less, it
shows
Low Voltage Lock Out
, and will not go off-hook.
Originating a Call
1 Press
Q
.
2 Connect the test leads to the Tip and Ring of a
subscriber loop.
3 Monitor (listen to) the line to verify that it is idle.
4 If the line is not idle, disconnect the test set from
the line.
5 If the line is idle, press
P
. The test set
automatically tests for high-speed data.
6 If data is detected, the test set will not go off-hook
and
Data Detect Lockout
shows on the display. Try
another line.
7 If there is no data on the line and talk battery is
present, the test set goes off-hook and draws dial
tone.
Note
The test set will not go off-hook if the line
voltage exceeds 140 V dc.
8 Dial the desired number.
Note
If you mis-dial the number, press
Q
, press
P
, then enter the number again.
Disconnecting a Call
To disconnect a call, press
Q
or remove the test
leads from the line.
Answering a Call
1 If a ringing signal is received, press
P
. The test
set automatically tests for high-speed data on the
line.
2 If there is no data and talk battery is present, the
test set goes off-hook.
Note
The test set will not go off-hook if the line
voltage exceeds 140 V dc. See "High Voltage
Lockout Operation" on page 14.
3 If the test set detects data, it not go off-hook and
it shows
Data Detect Lockout
on the display. See
the sections, "Data Lockout Override" on page 14
and "Data Safe Practices" on page 13.
4 To go off-hook with data present, press
$
. See
"Data Lockout Override" on page 14.