N-8000MI
多工介面單元
N-8000MI
N-8000MI 是一款多介面裝置，設計用於與採用分組音訊技術的 TOA 分組對講系統（IP 網路相容對講系統）搭配使用。將多介面連接到區域網，可在多介面和IP對講交換器之間建立適合內部或廣域資訊傳輸應用的理想系統，例如尋呼、定期廣播和背景音樂廣播或其他多介面單元。透過接點輸入、輸出控制可以實現接點橋功能。 N-8000MI 還具有連接線功能，可連接到 EXES-2000 對講系統或 EXES-6000 系統。網路上最多可連接 192 個多介面單元和 IP 對講交換器。本裝置可安裝在 EIA 標準機架（1 裝置尺寸）或使用隨附的支架安裝到牆壁上。
- 10 Base-T / 100 Base-TX 乙太網路連線
- 16x 接點輸入/ 16x 接點輸出
- 診斷系統線路與網路狀態的功能
- 2x 音訊輸入：尋呼、BGM
- 2x 音訊輸出：尋呼
with a semi-fixed volume for adjustment (0 to -25 dB)
Control: 2 inputs (2 P/input), no-voltage make contact input, open voltage: 12 V DC,
short-circuit current: 10 mA
Removable terminal block (8 pins)
Control: 2 outputs (2 P/output), relay contact output, contact capacity: 24 V DC/0.5 A
Removable terminal block (8 pins)
short-circuit current: 10 mA, removable terminal block (18 pins)
removable terminal block (18 pins)
600 Ω, balanced, mini-clamp connector (2 pins),
with adjustment functions for both input and output
(Input: 0 to +15 dB, Output: -15 to 0 dB), Analog E & M interface
600 Ω, balanced, mini-clamp connector (2 pins)
Signal method: EXES-2000/EXES-6000 tie-line method
Selective signal: DTMF signal
Network protocol: TCP/IP, UDP, HTTP, RTP, ARP, ICMP, IGMP
Audio packet transmission system: Unicast, Multicast
Number of paging destinations: Unicast (max. 16), Multicast (max. 191)
Connector: RJ45 connector
Voice sampling frequency: 16 kHz, 8 kHz (controllable on the software)
Quantifying bit number: 16-bit
Voice encoding method: Sub-band ADPCM, Cryptosystem
Voice packet loss recovery: Silence insertion
Audio delay time: 80 ms, 320 ms (controllable on the software)
Time of day hold facility, Reset switch (front panel)
Mini-clamp plug (2 pins) …10, Removable terminal plug (8 pins) …2,
Removable terminal plug (9 pins) …4, Plastic foot …4, Screw for fitting plastic foot …4,
Rack mounting bracket …2, Screw for rack mounting …4, Wall mounting bracket …2,
Screw for mounting bracket …8, Screw for wall mounting …4
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Universal interface for connecting to external systems,
configurable/programmable for:
-Announcements, activated 2 audio inputs for the supply of background music or control inputs
-2 Audio outputs for the transmission of announcements in external audio systems (E.g. PA systems),
-2 Connections to a telephone system with pulse or tone dialing,
-2 Leased line connections to EXES-2000 and
EXES-6000 intercom systems,
-16 Control inputs for zone control for externally-powered announcements, dial-up, receiving a busy signal of an external audio system, switching on control output
-16 Control outputs: can be activated by a number of the stations and automatically when a call (E.g. to activate camera system), occupied and error display
Automatic system diagnosis (every 20 seconds) of receivers, teaching units, IP Intercoms and universal interface for network status, CPU error, synchronization problems and missing receivers.
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