Digital Telephone Voice Recording Interfaces
Analogue Audio/Telephone Recording Interfaces
Covert Audio/Video Security System
Audio System / Dealer Board Interface
Analogue Telephone Signalling Converters
4 Wire E&M to 2 Wire Loop/Gen Converter
(Figure 5/10 to figure 6) Signalling Converter
Connection of 2 wires Loop/Gen lines to any 4 Wire E+M Circuit or Equipment.
E&M signalling indication.
Transmit and receive speech indication.
Line balance adjustable to match line impedance.
Transmit and receive amplifiers (gain adjustable -60 to +8 dBm).
False ring back eradication.
2 channels per card.
Standard 19 rack mounted.
20 channels per shelf.
Easy krone connection on PCB backplane.
Superb sound quality.
A common problem with these types of converters is false ring back from the called end. ACLs technology totally prevents this.
Good Tran hybrid loss (45 dB).
More racking density than other products on sale.
Low power consumption (24V/48V).
BABT certificate of recognition CR0140.
Trans-hybrid loss 300 Hz-3.4KHz.
Frequency response +/-0.2dB, 200Hz-4kHz
Return loss >19dB, 300Hz-3.4kHz
50Hz isolation voltage >3.88kV RMS
Saturation voltage 65V peak
DC-5kHz balance > 30dB
4w to 2w hybrid
E&M type 1B, V, DC5, others to special order
50V DC output on 2 wire / 80V AC Ringing
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