12
TS44DLX Deluxe Test Set
Users Guide
High Voltage Lockout Operation
The TS44DLX Deluxe is designed for use by Outside
Plant and Central Office technicians in environments
where analog voice lines co-exist with lines that carry
high dc voltage.
Accidentally going off-hook on a line carrying a high dc
voltage can damage the power supply feeding the line.
To prevent this, the TS44DLX Deluxe provides an
automatic high-voltage lockout function. When a
TS44DLX Deluxe is connected to a Tip and Ring pair
with its Talk/Monitor switch in the T position, it
measures the voltage on the line before going off-
hook. If the measured voltage exceeds 140 Vdc, the test
set locks out, preventing itself from going off-hook.
The high-voltage lockout condition is indicated by a
solidly lit HI Vdc LED. In the event of a high voltage
lockout, the Talk/Monitor switch should be set back to
the M position, and the test set leads should be
carefully removed from the line.
W
Caution
Do not short the test leads to each other
while it is connected to a line carrying high
voltage.
Configuring Your Test Set
Last Number Redial
In the Tone or Pulse dialing mode, the last number
dialed can be automatically redialed by pressing the
LNR key after going on-hook and then back off-hook.
To redial a number, the LNR key should be the first key
pressed after going back off-hook.
If, after going off-hook, any dialing key is pressed, the
LNR memory is cleared and the value of the pressed
key is the first number stored in the cleared memory.
The PAUSE key is considered a dialing key. If pressed, a
pause is stored in the redial memory, taking up one of
the 23 digit slots.
In tone dialing mode, the dialing keys that may be
stored in LNR memory include 1,2,3,4,5,6,7,8,9,0,*,#
and PAUSE. If the star (
∗
) and pound (#) keys are
pressed in pulse mode they are ignored. The star (
∗
)
and pound (#) keys will not be redialed when the test
set is in pulse mode even if the redial memory includes
star (
∗
) and pound (#).
Program Speed Dialing Numbers
While in Monitor mode, the test set allows the storage
of ten speed dialing numbers in ten memory locations
(0 through 9). Each location stores up to 23 digits. If an
attempt is made to store more than 23 digits, only the
first 23 are stored. The PAUSE key is accepted as a
dialing digit when storing numbers.
Storing a Number When in Monitor Mode
(Preferred Method)
1
Set the Talk/Monitor switch to M.
2
Press RCL.
3
Using the dialing keypad, enter the number to be
stored.
4
Press the STORE/PROG key.
5
Press a number key (0 through 9) to select the
desired memory location. The test set gives a
confirmation tone.
Note
If a non-dialing key is pressed while
programming a number sequence, it will be
ignored. Pressing RCL a second time exits the
programming mode.
