Textron Tempo PE945 Manual de usuario

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

95E0108 Rev. A

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

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.

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

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.

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

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

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.

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

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).

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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