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General| Model | 1825 Duet Plus |
|---|---|
| Connections | RJ11 |
| Operating Temperature | 0°C to 40°C |
| Power Source | AC Adapter |
| Compatibility | Analog telephone lines |
| Volume Control | Yes, adjustable |
| Mounting | Wall mount |
| Humidity | 95% non-condensing |
| Ringer Output | 95 dBA @ 1m |
Covers 24VDC power input and Relay/10VAC Detect trigger inputs for activation.
Details Audio Input and SPKR Output for sound amplification, paging, and external speakers.
RJ11 jack for direct connection to CO or PBX telephone lines for ring detection.
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