Product Profile of Control Room Equipment With Micro-Computer Controlled Dtmf Generator
Tummala Electronics Pvt. Ltd. Manufactures Control Room Equipment with Micro-Computer Controlled DTMF Generator. Tummala Electronics Pvt. Ltd. Offers Railway Communication Equipment, Solar Water Heaters and Solar Powered Lighting Systems. The Control Room Equipment with Micro-Computer Controlled DTMF Generator is train control equipment meant for operation over 4 Wire cable, Microwave or Optic Fibre link.
Key Features of Control Room Equipment With Micro-Computer Controlled Dtmf Generator
- Product Code: TEL/CRE/92
- RDSO IRS Number: TC 60/2007
- Operating voltage: 12 Volts DC
- Current consumption: less than 150 mA [Standby], less than 400mA Operating
- Signalling Frequencies: Standard DTMF as per CCITT. 697 Hz to 1633 Hz
- Signalling Level: 0 to -7 dB
- Signal Duration: 200ms with 100ms inter digital pause
- Number of Station Codes: 99 [01 to 99]
- Minimum I/P signal: -20 dB
- Max I/P signal: +12 dB
- Frequency response: +/- 3 dB from 300 Hz to 3400 Hz
- AGC Dynamic Range: -15 db to +10 dB
- Speaker Level: Adjustable to -15dB of maximum level
- Speaker output: 1 Watt Max
- Nominal Mic Output: 0 dB [Adjustable from 0 to -20 dB]
- Frequency response: +/- 3 dB from 300 Hz to 3400 Hz
