Product Description
Fully-featured test telephone at a bargain price. Compact DSP (Digital Service Protection) was developed to ensure correct operation on lines where digital signal/mains/remote supply/error voltages can be produced by faulty or crossed wires. When you connect this device to a line that is carrying a voltage over 75 V/DC (analog systems are supplied with a voltage of 24 V to 66 V), an alarm signal is sounded (digital voltage alarm). This indicates that the line is digital and not analogue. The integrated monitor function lets you determine whether the active line is carrying digital signals, without having to disconnect the line. The high voltage barrier prevents the interconnection of lines carrying a DC supply of more than 110 V in speech mode. DSP not only protects ISDN and paired line services from faults, but also protects the tester from the damage that might be caused by the high voltage levels in speech mode. All DSP functions continue to work even when the battery is flat.
Telephone tester 50647792 Tempo Communications COMPACT DSP Telecom
Fully-featured test telephone at a bargain price. Compact DSP (Digital Service Protection) was developed to ensure correct operation on lines where digital signal/mains/remote supply/error voltages can be produced by faulty or crossed wires. When you connect this device to a line that is carrying a voltage over 75 V/DC (analog systems are supplied with a voltage of 24 V to 66 V), an alarm signal is sounded (digital voltage alarm). This indicates that the line is digital and not analogue. The integrated monitor function lets you determine whether the active line is carrying digital signals, without having to disconnect the line. The high voltage barrier prevents the interconnection of lines carrying a DC supply of more than 110 V in speech mode. DSP not only protects ISDN and paired line services from faults, but also protects the tester from the damage that might be caused by the high voltage levels in speech mode. All DSP functions continue to work even when the battery is flat.
Delivery, Returns & Refunds
Delivery
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Returns
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Refunds
Sellers have to offer a refund for certain items only if they are faulty, such as: Personalised items and custom-made items, Perishable items, Newspapers and magazines, Unwrapped CDs DVDs and computer software. If you used your PayPal balance or bank account to fund the original payment, the refunded money will go back to your PayPal account balance. If you used a credit or debit card to fund the original payment, the refunded money will go back to your card. The seller will effect the refund within three working days but it may take up to 30 days for Paypal to process the transfer. For payments funded partially by a card and partially by your balance/bank, the money taken from your card will go back to your card and the remainder will return to your PayPal balance.