| SPECIFICATIONS: |
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| LINE ELECTRICAL: |
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| Maximum Loop Length: | 5000. |
| Minimum Loop Current: | 10mA |
| Maximum Off-Hook Resistance (Handset & Headset): | 300 |
| Minimum DC Resistance in Idle & Monitor Mode: | 5M. (20mA) at 100Vdc |
| Minimum AC Impedance: | 100k. at 1kHz |
| DIALING: Tone and Pulse Dial |
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| Pulse Dial: | 10 pulses per second, 60% break, -3dBm nominal DTMF/tone level |
| Flash/Timed Break Recall: | 600ms (selectable 100, 300, 600ms) |
| Memory Dialing: | 32-digit last number redial |
| Programmed Pause Duration: | 2 seconds per key press |
| BATTERY: 9V alkaline battery |
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| Low Battery: | Red LED indicates 2 hours of continuous monitor operation remaining |
| Auto Power Shut-Off When No Line DC: | 5 minutes |
| ENVIRONMENT: |
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| Operating Temperature: | 23°F to 104°F (-5°C to 40°C) |
| Storage Temperature: | -4°F to 158°F (-20°C to 70°C) |
| Durability: | High Resistance to Impact |
| WARRANTY: One Year Warranty |
|---|
| SPECIFICATIONS: |
|---|
| LINE ELECTRICAL |
|---|
| Maximum Loop Length | 5,000. |
| Minimum Loop Current | 10mA |
| Maximum Off-hook Resistance | 300 |
| Minimum DC Resistance in Idle, Monitor and Lockout | 10M. at 300 VDC |
| AC Impedance in Monitor | 400k. at 1 kHz |
| Line High-DC Lockout Range | 120 VDC minimum; 450 VDC maximum |
| DIAL SIGNALING: Pulse (rotary) Dial |
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| Pulse Rate | 10 pulse per second |
| Break Proportion | 60% |
| Break Interval Resistance | 1M. minimum |
| Inter-digital Interval | 800µs |
| Dual-tone Multifrequency (DTMF) Level | -3 dBm nominal |
| Flash (Time-break Recall) Duration | 600ms nominal |
| Speed Dial Capacity | |
| Stored Numbers | 10 |
| Stored Number Length | 32 digits per storage number |
| Programmed Pause Duration | 4 seconds per key press |
| BATTERY OPERATION: 9 VDC Alkaline Battery |
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| Operating Life | 3 months of typical use or 30 hours of continuous loudspeaking |
| Auto Battery Saver (with warning tone) | |
| Power Off When No Line DC | 90 seconds |
| Power Off With Line DC | 20 minutes |
| ENVIRONMENT |
|---|
| Operating Temperature | -34°C to 60°C; -29°F to 140°F |
| Storage Temperature | -50 °C to 75°C; -58°F to 167°F |
| Dust and Water Resistance | IP67 per IEC 60529 |
| Physical Shock | TRY-TSY-000344; Bellcore |