Pa1594, Testing a straight-through cable, Testing a crossover cable – Tempo PA1594 LAN and A/V Cable-Check Tester User Manual

Page 3: Testing coaxial cable, Specifications, Maintenance

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PA1594

3

TEMPO COMMUNICATIONS

1390 Aspen Way • Vista, Ca 92081 USA • 800-642-2155

Testing a Straight-through Cable

Test Mode

1. Connect the Main unit to one end of the cable to be tested and the Remote unit

to the other end of this cable.

2. Set the mode selector switch to the

Standard

position.

3. Press the

TEST

button and then release it. The tester starts testing the cable.

The five green LEDs flash one time sequentially from top to bottom, and then the

tester shows the test result—flashing LED indicates this pair has a fault while

fault indicator LED lights up to indicate the type of fault.

4. The test lasts about 12 seconds, and then the tester turns off automatically.

Press the

TEST

button to stop the test manually at any time. Pressing the

TEST

button turns the tester off.

Example for Test mode: The cable fault is a SHORT on pair 1-2 and pair 3-6.

After the five green LEDs flash one time sequentially from top to bottom, the tester

displays the following test results simultaneously:
• Pair 1-2 LED and pair 3-6 LED flash green while the SHORT LED lights red.
• Pair 4-5 LED lights green indicating a good pair.
• Pair 7-8 LED lights green indicating a good pair.

Debug Mode

The Debug mode identifies which cable pairs have a wiring fault. The unit cycles

through pairs, displaying a test result one pair at a time. A fault is indicated by

simultaneously lighting a pair of LEDs and the fault indicator.
1. Set the mode selector switch to the

Standard

position. Then press and hold the

TEST

button until all LEDs light; release the button.

2. The pair LEDs and the fault indicator LEDs work together to identify which pair is

incorrect.
a. If a pair LED flashes two times in series (one short and one long) while no

fault indicator LED lights, the pair is wired correctly.

b. If a pair has fault(s), its pair LED will give a short flash. Then this pair LED,

other pair LEDs related to this pair’s fault(s), and the fault indicator LED(s) will

give a long flash simultaneously.

c. If a pair LED gives only a short flash that is not followed by a long flash, this

pair has an OPEN fault.

3. After the Debug function cycles four times through the pairs, the tester turns

off automatically. Press the

TEST

button to stop the test manually at any time.

Pressing the

TEST

button turns the tester off.

Example for Debug mode: The cable fault is a SHORT on pair 1-2 and pair 3-6.

The Debug mode LED series will be as follows:
• Pair 1-2 LED gives a short flash and then pair 1-2 LED, pair 3-6 LED, and the

SHORT red LED give a long flash simultaneously.

• Pair 3-6 LED gives a short flash and then pair 3-6 LED, pair 1-2 LED, and the

SHORT red LED give a long flash simultaneously.

• Pair 4-5 LED flashes two times in series while no fault indicator LED lights. This

indicates that this pair is wired correctly.

• Pair 7-8 LED flashes two times in series while no fault indicator LED lights. This

indicates that this pair is wired correctly.

Testing a Crossover Cable

The method of testing crossover cable is almost the same as testing straight-through

cable. The only difference is that the mode selector switch is in

Cross Cable

position

to test crossover cable instead of the

Standard

position for straight-through cable.

Refer to the “Testing a Straight-through Cable” section and set the mode selector

switch to the

Cross Cable

position to test crossover cable.

1

2

3

4

5

6

7

8

1

2

3

4

5

6

7

8

Crossover Cable Wiring

Testing Coaxial Cable

Note: For coaxial cable tests, the mode selector switch can be in any function

position.

1. Connect one end of the coaxial cable to be tested to the BNC socket of the Main

unit and the other end of the coaxial cable to the BNC socket of the Remote unit.

Note: The terminators on the cable to be tested should match the BNC sockets

of the tester.

2. Press the

TEST

button and then release it. The five green LEDs of the Main unit

will flash one time sequentially from top to bottom, and then the tester shows the

test result:
• If the SHIELD/COAX LED lights green, the coaxial cable has no fault.
• If the SHIELD/COAX LED does not light, the cable is faulty.

Note: Refer to “Testing Examples” on the last page of this manual for reference on

how to test the continuity of RCA, BNC, and Cable TV “F” cables.

Indicator Light

Illuminated

Result

Resistance

PASS

Good continuity

40-100 Ω

SHORT

Cable is shorted

< 40 Ω

OPEN

Cable is broken, bad shield connector, or

bad center conductor connection

> 100 Ω

Specifications

Cable Length:

Minimum: 1 m (3 ft)

Maximum: 300 m (900 ft)

Battery: 2 x 1.5 V AAA

Size:

Master Unit: 96.8 x 58.2 x 32.8 mm (3.81 x 2.29 x 1.29 in)

Remote Unit: 96.8 x 58.2 x 32.8 mm (3.81 x 2.29 x 1.29 in)

Weight: Approximately 165 g (5.8 oz)

Maintenance

Battery Replacement

When the LOW BATT LED lights continuously, the batteries are low and should be

replaced immediately.
1. Remove the screws on the back cover of the Main unit and remove the back

cover.

2. Replace the old batteries with new ones (observe polarity).
3. Reinstall the back cover and the screws.

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