Product Profile of 4 Wire Way Station Equipment with Standard DTMF Signalling
Tummala Electronics Pvt. Ltd. Offers 4 Wire Way Station Equipment with Standard DTMF Signalling. Tummala Electronics Pvt. Ltd. Manufactures Railway Communication Equipment, Solar Water Heaters and Solar Powered Lighting Systems. The 4 Wire Way Station Equipment with Standard DTMF Signalling is train control equipment that consists of a DTMF Receiver, Trans and Receive Speech circuits, Station Code, Group Call Select DIP switches and associated Logic Circuitry. The equipment is housed in a metal cabinet.
Key Features of 4 Wire Way Station Equipment with Standard DTMF Signalling
- RDSO IRS Number: TC 60/2007
- Operating voltage: 12 Volts DC +/- 10%
- Operating Current: 20-60 mA
- Minimum Detectable Signaling Level: -25 dB
- Protection: The equipment is protected against reverse polarity and surges.
- Mounting: Wall/Table mounting.
- Minimum audible level: -30 dB
- Maximum level: +5 dB
- Receive level adjustment: 12 dB from nominal
- Insertion Loss: less than 0.5 dB
- Trans Output: 0 dB [nominal]
- Gain variation: 12 dB from nominal
- Insertion Loss: less than 2.0 dB
