Speech Buffer
The Speech Buffer Module connects to the Operator handset(s) circuit and provides buffered, transformer isolated speech signals for outputting to a voice recorder.
It is powered from the Concentrator –50V supply and provides approximately unity gain into a high impedance load (>10KΩ) and 6dB attenuation into a 600Ω load.
The module plugs into a Krone connector mounted in the rear of the Concentrator cubicle and is protected against incorrect insertion and –50V supply reversal.
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Contact Details
Telecoms Contact Details
STS Rail Ltd
Unit 2, Stone Lane Industrial Estate,
Wimborne, Dorset. BH21 1HD
Telephone +44 (0) 1202 888402
Fax +44 (0) 1202 841717
