Mute Operation; Microprocessor Controller; Test Standards; Dti Cept Recommendation T - Tait T880 II Series Adjustment Manual

B1.8 T885 General Information
1.2.4.3

Mute Operation

Systems Available
Noise Mute:
Operating Range
Hysteresis
Threshold
Opening Time
Closing Time
Carrier Mute (Optional):
Operating Range
Hysteresis
Opening Time
Closing Time
Note: The opening and closing times given above are for the standard setup
(SL210 linked and SL220 not linked - refer to
1.2.5

Microprocessor Controller

Auxiliary Ports:
Open Drain Type
V max.
ds
1.2.6

Test Standards

Where applicable, this equipment is tested in accordance with the following standards.
1.2.6.1 DTI CEPT Recommendation T/R-24-01
Annex I: 1988
Technical characteristics and test conditions for radio equipment in the land mobile
service intended primarily for analogue speech.
Annex II: 1988
Technical characteristics of radio equipment in the land mobile service with regard to
quality and stability of transmission.
10/07/00
.. noise mute and carrier mute
.. 6-20dB sinad
.. 1.5 to 6dB
.. adjustable to -105dBm
.. 20ms
.. 50ms
.. -115 to -80dBm
.. 2 to 10dB
.. 5ms
.. 50ms
Section 3.8).
.. capable of sinking 2.25mA via 2k2Ω
.. 5V
M880-00
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