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Table of Contents
Summary of Contents for VESALA XT25
- Page 1 Wire Tracer XT25 User Manual v. X1.1...
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Page 2: Table Of Contents
Table of contents 1. Overview General information on cable tracing Purpose of the device 2. XT25 equipment XT25 basic set-up and accessories XTT25 transmitter interface XTR25 receiver interface 3. Using the tracer Batteries Using the transmitter in the LISTEN mode... -
Page 3: Overview
XT25 tracer. 1.2. Purpose of the device Despite its small size XT25 is a versatile and complete cable tracing system, suitable for telecom technicians’ everyday tasks. This device has intentionally limited output power, therefore it is not recommended for out-door buried cable tracing. -
Page 4: Xt25 Equipment
2. XT25 equipment 2.1. XT25 basic set-up and accessories XT25 basic set-up XTT25 Transmitter for generating the tracing signal, for listening to line audio and communication and for DC indication PJ15p Feeder cable for connecting the transmitter to the cable or the pair (1.5m... -
Page 5: Xtt25 Transmitter Interface
4-40V is the typical range for open analogue telephone pair, alarm lines and other special lines. 40-65V suggests un-opened analogue telephone line 65-120V usually means ISDN pair or some data line. If 65-120V blinks, voltage is more than 120V. XT25 User Manual v. X1.1... - Page 6 3.1. Wrist loop (not shown) The openable wrist strap can be used for hanging the device on a rack, for example. More detailed instructions for using the XTT25 are provided in sections 3.2 and 3.3. XT25 User Manual v. X1.1...
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Page 7: Xtr25 Receiver Interface
Instruction for changing the battery is provided in section 3.1. Belt clip (not shown) Clip for hanging the device e.g. to belt, pocket etc. More detailed instructions for using the XTR25 are provided in section 3.4. XT25 User Manual v. X1.1... -
Page 8: Using The Tracer
30 seconds, unless impedance changes within this time. The transmitter must not be connected to a live mains cable or wire! Transmitter must not be connected to a target object carrying more than 120V voltage! XT25 User Manual v. X1.1... -
Page 9: Using The Receiver
KA6 is at its closest to the target cable or an individual wire. The position of the probe is therefore of no significance. The field strength usually follows the shape shown in figure 4.1. Figure 4.1. Shape of a Capacitive Field XT25 User Manual v. X1.1... -
Page 10: Inductive Tracing
Figure 4.2.b. Twisted cable structure causes signal fluctuation on top of the cable and the minimum point seems to undulate from side to side. XT25 User Manual v. X1.1... -
Page 11: Examples Of Use
Especially with short cables, grounding of either pole of the transmitter should be done directly to the ground outside (not to the protective earthing or a water pipe). XT25 User Manual v. X1.1... -
Page 12: Distinguishing A Certain Wire Pair From Others
Probe is inserted between the pairs and when the tip of the probe gets near the correct pair, a loud signal can be heard. Figure 5.2.c. Distinguishing a short-circuited pair using the LA5 XT25 User Manual v. X1.1... -
Page 13: Locating A Cut Of A Wire Pair
A loud signal can be heard on the receiver up to the cut location after which signal will weaken considerably. Figure 5.3. Shape of the field of a cut wire. XT25 User Manual v. X1.1... -
Page 14: Locating A Short Circuit In A Certain Cable
The signal increases clearly (figure 5.4.c). After the short circuit the signal dies away but begins to strengthen again slowly after a while. Figure 5.4.c. Strength of the field around a short circuit XT25 User Manual v. X1.1... -
Page 15: Technical Data, Maintenance And Service
Approx. 145g with battery 6.2. Maintenance, storage and warranty The XT25 Wire Tracer does not have any parts that require maintenance by the user, excluding the changing of batteries (see section 3.1). A damaged device must be returned to the manufacturer for repair. A soiled device can be cleaned using a damp cloth and it must be dried carefully before returning it to the carrier bag. - Page 16 Manufacture, sales and maintenance Peräsimentie 1, FI-03100 Nummela, FINLAND Tel. +358 44 200 2005 Email: info@vesala.fi Internet: www.vesala.fi We reserve the right to make changes. © H.VESALA Ltd 1143 XT25 User Manual v. X1.1...
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