Textron Tempo PE945 Manuale utente
INSTRUCTION MANUAL
Read and understand all of the instructions and safety
information in this manual before operating or servicing this
tool.
PE945/PE961
ADSL
Compatible
Telephone
Test Set
with 2-way hands-free
speaker phone
123
456
789
0#
95E0108 Rev. A
2
KEEP THIS MANUAL
Description
The PE945/PE961 test set is intended to troubleshoot communication circuits. Its features
includes:
•Three Operating Modes: Talk (off-hook), Monitor (on-hook and listening), and Off
• ADSL Compatibility
•Two-way Hands-Free Speakerphone
•Tone or Pulse Dialing
•Mute Function
•Automatic Detection and Lockout of Digital Lines (PE961 only)
•Automatic Detection and Lockout of High Voltages
•Storage of up to Ten 21-digit Telephone Numbers
•Up to 31-digit LNR (Last Number Redial)
•Two-Tone Ringer with Adjustable Pitch
•Sealed Electronics
•Waterproof (IP67)
• Buoyant — Floats if Dropped in Water
•Chemical Resistant
•Three Year Warranty
Safety
Safety is essential in the use and maintenance of Tempo tools and equipment. This instruction
manual and any markings on the tool provide information for avoiding hazards and unsafe
practices related to the use of this tool. Observe all of the safety information provided.
Purpose
This manual is intended to familiarize personnel with the safe operation and maintenance
procedures for the Tempo PE945 or PE961 Telephone Test Set.
Keep this manual available to all personnel.
Replacement manuals are available upon request at no charge.
PE945/PE961
3
Important Safety Information
Read and understand all of the instructions and safety information
in this manual before operating or servicing this tool.
Failure to observe this warning can result in severe injury or death.
This symbol is used to call your attention to hazards or unsafe practices which could
result in an injury or property damage. The signal word, defined below, indicates the
severity of the hazard. The message after the signal word provides information for
preventing or avoiding the hazard.
SAFETY ALERT SYMBOL
Immediate hazards which, if not avoided, WILL result in severe injury or death.
Hazards which, if not avoided, COULD result in severe injury or death.
Hazards or unsafe practices which, if not avoided, MAY result in injury or property
damage.
4
Important Safety Information
Replace weak or discharged batteries as soon as either of these conditions is detected.
Use this tool for the manufacturer’s intended purpose only. Use other than that which is
described in this manual can result in injury or property damage.
Do not perform any service or maintenance other than as instructed in this manual.
Failure to observe this precaution can result in injury or property damage.
Inspect the tester and cord for wear or damage. Replace worn, damaged or missing
components with Tempo replacement parts. A damaged component may fail, resulting in
injury or property damage.
Electric shock hazard:
Contact with live circuits can result in severe injury or death.
When in Loudspeaker mode, hold loudspeaker more than 1 foot
(30 cm) from your ear.
Misuse could result in hearing damage.
PE945/PE961
5
Identification
LED Indications:
•Low Battery – middle LED flashes RED.
•Mute Mode – middle LED flashes GREEN.
•Off-Hook Mode – right LED flashes RED.
•Monitor Mode – right LED flashes GREEN.
6
Specifications
Monitor Impedance .......................................................................................... > 400 kΩ@ 1 kHz
Loop Resistance (maximum) ................................................................................................ 5 kΩ
Current Draw ....................................................................................................................<15 mA
DC Resistance
Talk Mode ................................................................................................................... < 300 Ω
Idle ............................................................................................> 10 MΩ(30 µA @ 300 VDC)
Monitor......................................................................................> 10 MΩ(30 µA @ 300 VDC)
Temperature
Operating .................................................................................... –34 to 60 °C (–29 to 140 °F)
Storage ....................................................................................... –50 to 75 °C (–58 to 167 °F)
Battery ........................................................................... 9 V alkaline (NEDA 1604A or IEC 6LR61)
Introduction
The PE945/PE961 Telephone Test Set is an advanced, convenient, and easy-to-use telephone line
troubleshooting device. Equipped with a number of LEDs and alarms, it lets the user know the
operating mode and provides alerts for hazardous situations.
LEDs: Polarity
Low Battery
Talk/Monitor
Tones: Low Pitch
Middle Pitch
High Pitch
The LEDs and tones indicate various conditions and functions. They are shown throughout the
manual in
italic type.
The PE945/PE961 produces two types of alarms to alert the user to potentially hazardous
situations.
•
Excessive DC voltage is indicated by low pitch tones (Boop... Boop... Boop...).
•AC line voltage is indicated by continuous ringing.
If you hear either of these alarms, which are repeated in
bold italic type
in this manual, remove
the test set from the line carefully and immediately.
PE945/PE961
7
Operation
The test set must have a good 9V battery installed in order to operate.
See “Changing the Battery or Cordset” in this manual.
1. Connect the red wire to the ring (negative) side of the circuit.
2. Connect the black wire to the tip (positive) side of the circuit.
3. Use the Talk, Monitor and Mute features as described in this section.
Automatic Ground Start
Some lines, especially PABX, require a momentary ground to draw a dial tone.
Connect the test set’s red and black wires to the telephone circuit as usual, and connect the
green wire to ground. Press the TALK button momentarily to check for dial tone.
The ground start is automatic, and the green wire can remain connected without affecting the
call.
TAL
K
Press once to go off-hook (connect). Press MONITOR to go on-hook (disconnect).
▼
Off-Hook Mode
LED: Flashing red (first press)
Tone: Middle Pitch–Middle Pitch
LED: Flashing red (additional presses)
Tone: High Pitch
▼
On-Hook Mode
LED: Flashing green (first press)
Tone: Middle Pitch
LED: None (second press)
Tone: Low Pitch
Automatic Line Checks
The PE945/PE961 is designed to allow testing of POTS service on a live ADSL line without fear of
bringing down the data service. At any attempt to go Off-Hook, the test set automatically
performs the following line checks:
1. Digital Signal Presence (PE961 only): A two-tone alarm
(middle pitch – low pitch)
sounds and the test set locks out. To override this alarm, e.g. on an ADSL line, press and
hold the TALK key until the alarm stops (~ 6 seconds). Once overridden, the alarm will
remain cancelled until the unit is either turned off or disconnected from the line.
2. High DC Level (76V-116V): A single-tone alarm
(low pitch)
sounds, the hook status LED
flashes red and green and the test set locks out. To override this alarm, press and hold the
TALK key until the alarm stops.
3. HIGH DC Level (>116V): A single-tone alarm sounds and the test set locks out. The alarm
may not be overridden.
8
Operation (cont’d)
MONITOR
Press once to monitor the line without disturbing data, signal, or voice transmissions on the line.
Press repeatedly to alternate between Monitor mode and off. If the test set is off-hook (con-
nected), pressing MONITOR will release the line (disconnect).
To conserve battery life, the test set will shut off after 20 minutes of monitoring or 5 minutes
after removal from the line.
▼
Monitor Mode
LED: Flashing green
Tone: Middle Pitch
MUTE
Press and release to stop transmitting over the line, to filter outside noise from the line, or to
eliminate sidetones. Press again to talk. Mute works only when the test set is in Talk mode.
▼
Mute Mode
LED: Flashing red
Tone: High Pitch (Mute ON)
Tone: Low Pitch (Mute OFF)
PE945/PE961
9
Dialing Features
PULSE
Pulse Dialing
Press PULSE, then press TALK.
The dialing mode will automatically return to tone-type dialing when the test set is removed from
the line or when the test set is switched off.
To mix pulse and tone dialing, select PULSE and dial the pulse digits. Then press to select
TONE and dial the tone digits (the will not be dialed).
Note: If the dialing string is started in Tone mode, it is not possible to add Pulse digits.
The Last Number Redial feature (explained later in this section) will dial this number as a mixture
of pulse and tone digits.
To dial this number from memory (explained later in this section):
• setting the dialing mode to Pulse before pressing MEM will dial the number as a mixture of
pulse and tone digits
• setting the dialing mode to Tone before pressing MEM will dial the number as tone digits only
LNR/PAUSE
Last Number Redial / Pause
Immediately after going off-hook, press LNR (last number redial) to redial the dialing string from
the previous call.
In STORE mode press PAUSE to insert a pause in a memory. If within the first 5 entries, this
inserts a 2 second pause in the dialing out string; if not, then it halts the dialing. Press PAUSE to
resume.
STO
MEM
Store and Memory
Both the PE945 and PE961 can store up to 10 telephone numbers, one under
each of the digits (0–9).
To store a telephone number:
1. While connected to a line and in the Talk mode, press STO.
2. Press MEM and a location (0-9).
3. Enter the telephone number to be stored.
4. Press STO to store.
In addition to digits, the memory will also store ,, (flash) and (pause).
To recall and dial a stored telephone number:
1. While connected to a line and in the Talk mode, press MEM.
2. Press the appropriate digit (0–9).
10
Other Features
FLASH
Flash
Press FLASH to generate a timed line break.
SPKR
Speaker
The PE945/PE961 allows two different speaker modes: Loudspeaker (receive only) operation
and two-way hands-free operation.
•While off-hook, press SPKR. The test set is now in Loudspeaker mode, with the Mute feature
activated. The Mute LED will be flashing GREEN.
•From this mode, press MUTE to communicate in the two-way hands-free mode.
• When the test set is off, press SPKR to select Monitor mode with loudspeaker. Press again to
select Monitor mode without the loudspeaker.
WARNING! - When in Loudspeaker mode, hold loudspeaker more than 1 foot (30cm) from your
ear. Misuse could result in hearing damage.
VOL
Volume Control
To control the speaker volume, press VOL. The speaker is set to automatically start out at the low
setting. Press VOL to toggle between high and low volume.
POL
Polarity
To determine the polarity, press POL. The LED will indicate polarity as follows:
▼
Red wire connected to ring (negative)
LED: Steady green
▼
Red wire connected to tip (positive)
LED: Steady red
Pressing POL while ringing will cause the LED to alternate between green and red.
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