TTP2

2 Freq. + Monitor Radio-Line Tone Remote Interface

General:

• Input voltage: +12 to +13.8 Vdc @ 150 mA
• (18 mA idle)
• Line impedance: 600 ohms
• Line output level: + 7 dBm max. Preset to 0 dBm
• Line input level: -5 dBm to + 5 dBm (0 dBm typical)
• Rx input level: 35 mVrms to 530 mVrms
• Notch filter: 2175 down 50 dBm from 1000 Hz reference
• Size: 2.9" wide x .75" high x 5.25" long

Control function outputs:

• PTT: form “A” relay contacts
• Frequency selection: form “C” relay contacts
• Monitor: form “C” relay contacts

Connections:

• modular to phone line
• screw terminals for radio connections
• Control tones:
• F1 transmit: 1950 Hz
• F2 transmit: 1850 Hz
• Monitor (tone squelch disable) :2050 Hz
• Security tone: 2175 Hz
• Tx hold tone: 2175 Hz

Time tolerance:

• Security tone: 140 mS +/- 10%
• Function tone: 40 mS +/- 10%