Gai-tronics MRTI 2000 (No. PL1877A) Microprocessor Radio Telep Manual de usuario descargar pdf (Pagina 94)

Parameter Modification PL1877A Microprocessor Radio Telephone Interconnect

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Telephone Interface

Parameter Function

163 Off-hook voltage threshold is 25 V = 0

Off-hook voltage threshold is 15 V = 1

Allow user to manually set off-hook voltage threshold via test 6 (or programming

software) = 2

Default = 0

This parameter is required for determining the off-hook voltage threshold on the

PL1877A’s phone line. This allows the PL1877A to determine when an attendant (line-

sharing) telephone is in use.

Program parameter 163 to 0 for a phone line that provides a 48 V talk battery.

Program parameter 163 to 1 for a phone line that provides a 24 V talk battery.

If the phone line provides substantially less than 24 V of talk battery, it may be necessary

to manually program the off-hook threshold via test 6 (or via the programming software).

If so, program parameter 163 to 2.

123 Number of rings that PL1877A must receive before generating ring signaling to mobile.

Valid range = 1–9.

Default = 1

This parameter is used to delay ring signaling to the mobile long enough for an attendant

to answer the call via a line sharing telephone.

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Gai-tronics MRTI 2000 (No. PL1877A) Microprocessor Radio Telep Manual de usuario Pagina 94