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  • RS Stock No. 341-3566
  • Brand Tempo
  • Mfr. Part No. 50646524
  • RoHS Status
    Not Applicable
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Accessory TypeLSA Plug
For Use WithDSTS 2 Test Telephone
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Dual Standard – DSTS 2 with DSP

The DSTS 2 first introduced in 1988 has remained a favourite with many telephone administrations around the world because of its reliability and ease of use. Since its introduction, the design has evolved in line with changes in the technology and services deployed in the telephone network to its present form incorporating DSP technology.,Digital Services Protection (DSP) Test Telephones are designed to operate safely in situations where telephone wiring may be carrying Digital traffic, Voltage feed to remote electronics or Hazardous voltages that result from fault conditions or misuse of the cable

Digital circuit safety
Excessive voltage alarm
Automatic lock-out
No Battery Required
Tone/ pulse
Last Number Redial
High Impedance Monitor at normal listening levels
High monitor level
High impact resistance
High chemical resistance
Easy non slip shoulder placement
Tone/Pulse operation
Redial in Tone and Pulse
Timed Break Recall (Flash)
Polarity Check
Ground Start/ Earth Calling
Full operation at 10mA
Protection against direct battery connection
Belt clip/hanging loop
Crocodile Clips (not included, order separately)
300mm long lead terminated by 608A UK socket and 3 crocodile clips (earth lead is 430mm).
Krone LSA Plug (not included, order separately)
235mm long lead terminated by 608A UK socket and a Krone LSA plug with an earth crocodile clip.

D.c. Parameters 50V, 200Ω
Max Line Resistance 4KΩ
Current Range 10mA - >90mA
Impedance (Return Loss) >16dB 300-3.4KHz
Monitor >10K 0-8KHz
Dialling Loop disconnect, DTMF, LNR
Transmission Auto gain control
Max. o/p limitation 1.4V rms.
4dB octave
Roll, off above 4KHz
Reception Acoustic shock protected
Dynamic receiver
Cordage CW1311 cordage with 431A plug
Safety Cord - case insulation. >50MΩ
Protected against 50V raw battery indefinitely Lighting induction protection
Standards BS 6317, BS 6305, BS 2011
Approvals BABT

Test Telephones

All the telephones in this range have a high impedance passive monitor, last number redial, tone-pulse dialling and time-break recall.

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