CTX590 - Triplett
Contents
1. regardless of switch position it can be very informative See the Red Green LED chart on the back for details To locate the end of a pair of wires even when the conductors are in a wiring bundle see the TONE instructions To find breaks in conductor s see the TONE instructions To test a pair of wires for continuity shorts see the CONTINUITY instructions To test for the presence polarity of voltage on a pair of conductors such as telephone levels see the Red Green LED chart instructions CAUTION Telephones employ a battery voltage of 48VDC for Ring When the telephone circuit is ringing the voltage will be much higher 90VRMS on top of the 48VDC Be careful not to touch any exposed conductors Use all of the normal precautions associated with installing or repairing telephone equipment TONE MODE set power switch to TONE TONE Send tone When in Tone Mode the ProTone sends a tone to a pair of conductors You detect the tone using the Probe How to locate wires with the CTX590 1 Place the Power Switch in the TONE position 2 Pick the pair of wires you wish to trace 3 Apply the tone to the wires using either the RJ11 RJ45 or the alligator clips 4 Trace the tone using the Probe Note The tone generator can send a steady or an alternating tone The selector switch is inside the tone generator case Factors affecting Tone Volume and Traceability Tracing tone is best on wires not co2. polarity as is pin 3 in relation to 4 RJ11 and pin 4 in relation to 5 RJ45 When checking telephone polarity a green LED is correct telephone polarity and a red LED is reversed polarity Detect telephone and modem connections using the Red Green LED Phone pairs have a tip OV and a ring 48VDC Phones and modems typically use the center pair of the connector pins 4 5 in an 8 position RJ45 jack or pins 3 4 in a 6 position jack 1 Connect the tone generator to the wall outlet using the RJ11 or RJ45 plug 2 If the LED lights a connection could exist A negative polarity is normal for pins 4 and 5 polarity is a concern with some digital systems ByteBrothers Network Test and Certification 7003 132nd Place SE Newcastle WA 98059 USA 1 425 917 8380 FAX 1 425 917 8379 www bytebrothers com TM ProTone WIRE LOCATOR e ALL WIRE TYPES MODEL CTX590 ByteBrothers Network Test and Certification RED GREEN LED 9V BATTERY TONE SWITCH Select steady or alternating tone inside case The CTX590 Toner Probe is a high quality wire locating tool that uses an induc tive probe to sense a tone placed on the wires by its associated tone generator Plus the tone generator s red green LED indicator senses voltage and continuity so the CTX590 is useful for tracking down short circuits telephone central office connections polarity and continuity Because the red green LED is always active
3. CONTINUITY MODE set power switch to CONTINUITY CONT Test wire pair for continuity RED GRE4 LED Use this mode to detect whether a pair of wires has continuity This test does not require the use of the probe How to test for continuity using the CTX590 1 Pick the pair of wires you wish to test for continuity 2 Place the switch in the CONTINUITY position 3 Attach the tone to the wires using either the RJ11 RJ45 or the alligator clips 4 If the Red Green LED lights continuity exists on the pair Note You can verify whether you are in CONTINUITY mode by touching the alligator clips together Remember if continuity exists across two conductors purposely it is called bridging If it is not by design it is called a short circuit RED GREEN LED CHART Voltage polarity and continuity tests The Red Green LED is active in all three switch positions See the following chart for the LED s meaning The Red Green LED indicates voltage polarity and continuity I Switch position LED color Tone Off Continuity Red Positive voltage Positive voltage Yes Green Negative voltage Negative voltage NA Alternating AC voltage AC voltage NA Inthe TONE mode the tone itself causes the red green LED to indicate AC voltage the tone itself is an AC signal So for voltage polarity tests use the OFF position How to determine polarity Positive voltage on the red clip in relation to black clip is positive
4. nnected to a power source Existing signals can interfere with the tone signal The tone is always louder at the cable end not along the cable run f you are tracing a tone and the volume drops you may have detected a break in one or both of the conductors Change the battery s when you suspect a weaker than normal tone TONE MODE using the probe The ProTone filtered probe detects the tone from the Tone Generator Ultrabright LED shines from the tip of the probe Volume control is on the back of the probe Activates the probe s circuitry and ultrabright LED on the tip The tone LED is a visual indica tion that the tone generator s tone is detected 60HZ LED warns that 60HZ AC voltage is present and should be avoided 9V battery The red button activates tone sensing and lights the ultrabright LED Place the tip of the probe across the cable at various angles until you get the loudest signal Filtering eliminates much of the fluorescent hum from lighting Use the 60HZ LED for safety and the tone LED for silent operation Battery Replace when 1 the tone is very weak or 2 the probe continually squeals
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