| Model | IP-A1RM |
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| Power Source | PoE(IEEE802.3af Class 3) |
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| Power Consumption | 3.5 W |
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| Audio Codec | Opus, PCMU (G.711u), PCMA (G.711a), G.722 |
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| Audio Transmission Method | SIP broadcasting: Unicast Audio Streaming Group broadcasting: Multicast Audio Streaming |
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| Network I/F | 100BASE-TX, Auto MDI/MDI-X, RJ45 |
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| Network Protocol | IP, TCP, UDP, TLS, HTTP, HTTPS, RTP, SRTP, RTSP, RTCP, SRTCP, ARP, ICMP, IGMPv3, NTP, SIP (RFC3261), SIPS, SIP-TLS, DHCP |
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| Control Input | 2 channel, no-voltage make contact inputs, open voltage: 5V DC, short-circuit current: 2 mA or less, push-in terminal block |
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| Control Output | 1 channel, open collector output, withstand voltage: 30 V DC, control current: 150 mA or less, push-in terminal block |
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| Mute Control Input | 1 channel, 24 V DC cut-off signal, control current: 5 mA or less, non-polar, push-in terminal block |
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| Microphone | Unidirectional electret condenser microphone (With microphone indicator and microphone volume control) |
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| AUX Input | 1 channel, unbalanced, 10 kΩ LINE/MIC selectable (Rated input: LINE: 0 dB (*1), MIC: -60 dB (*1) PAD function (-20 dB (*1), AUX volume adjustable, Ø3.5 mm mini jack |
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| Monitor Speaker | Cone-type speaker, Speaker volume adjustable, Rated Output: 1 W |
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| Operation | Operation key: TALK, HOME, REC, MONITOR, SHIFT/KEY LOCK Function key: VOLUME, RIGHT, LEFT Selection key: 0 - 9 |
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| Indicator | LCD display: 3 (255 x 160 dots) with backlight Indicator: Status indicator (green/blue/yellow/red), Microphone indicator (blue), LINK/ACT indicator (green) |
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| Clock Accuracy |
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