• Dante audio-over-EthernetおよびAES67アプリケーション用マスタークロック
• 高性能 IEEE® 1588 PTP v1 および v2サーバーを実装
• GNSS(衛星)受信機によるナノ秒レベルのタイミング精度に対応
• GPS（米国）、Galileo（ヨーロッパ）、BeiDou（中国）、GLONASS（ロシア）に対応
複数のサイト間でオーディオの同期を可能にします 選択可能なレートのワードクロック出力
• 最大8つの正弦波オーディオトーンを生成
• 3つのギガビットイーサネットインターフェイスは、独立した冗長Danteおよび管理ネットワークをサポートします
• Webページ管理とUSBフラッシュドライブソフトウェアの更新
• ACおよびDC12Vにて駆動
• 軽量設計，1Uラックマウント

Applications

• GNSS (satellite) time-referenced, high-performance Leader clock for Dante audio-over-IP applications. Also supports AES67-2018 applications. In addition, provides audio reference signals (tones) on Dante transmitter (output) channels for general-purpose use and a precision word clock synchronization output.

Precision Time Protocol (PTP) Support

• IEEER 1588-2002 Version 1 (v1) for Dante; IEEE 1588-2008 Version 2 (v2) for AES67-2018

Timing Reference

• Source: GNSS receiver, external sync input, internal time base, or via an existing Dante network, selectable

GNSS Receiver Capability

• Type: multi-band GNSS, optimized for timing applications
• Constellations Supported: GPS (USA), Galileo (Europe), BeiDou (China), GLONASS (Russia), selectable
• Augmentation Support: QZSS (Japan, applies only to GPS), selectable
• Number of Concurrent Constellations: 4
• Time to First Fix: less than 40 seconds, typical
• Timing Accuracy: <5 ns (clear sky)
• Sensitivity: ・48 dBm (cold starts), ・66 dBm (tracking), typical
• Antenna Power Source: 5 Vdc, 100 mA maximum
• Antenna Requirement (for reception of four constellations): active, multi-band (L1, L2/E5b), terminated with SMA plug. (Antenna included with each Model 5402, see Included Accessories.)

Sync Input

• Compatible Sources: word clock, bi-level video, tri-level video, 10 MHz
• Termination: 50Ω (10 MHz), 75Ω (word clock or video), or high Z (unterminated), selectable
• Word Clock Compatibility: square wave, 5 Vpp nominal unloaded, 44.1, 48, 88.2, or 96 kHz
• Video Signal Compatibility: bi- or tri-level, 1 Vpp nominal into 75Ω load
• 10 MHz Signal Compatibility: sine-wave, 3 Vpp nominal into 50Ω load

Internal Time Base

• Type: 24.576 MHz temperature-stabilized crystal oscillator
• Initial Accuracy: 1 ppm (parts-per-million)
• Long-Term Accuracy: 1 ppm (parts-per-million) per year
• Temperature Stability: ±280 ppb (parts-per-billion), 0-50 degrees C

Word Clock Output

• Type: square wave
• Rate: 44.1, 48, 88.2, or 96 kHz, selectable
• Source Impedance: 75Ω
• Amplitude: 5 Vpp, unterminated; 2.5 Vpp terminated with 75Ω
• Jitter: 0.01 UI (using internal oscillation)

Network Audio Technology

• Type: Dante audio-over-Ethernet
• AES67-2013 Support: yes
• Dante Domain Manager・(DDM) Support: yes
• Ethernet Interface Configuration: Switched, Redundant, Switched+Mgmt, or Redundant+Mgmt, selectable
• Clock Source: follows overall Model 5402 configuration
• Sample Rate: 44.1, 48, 88.2, or 96 kHz, selectable
• Bit Depth: 24
• Number of Dante Transmitter (Output) Channels: 8
• Number of Dante Flows: 32transmitter

Audio Reference Signals

• Type: continuous sine-wave signals on Dante transmitter (output) channels
• Number of Channels: 8
• Frequency: 1 Hz to 22 kHz, individually configurable in 1-Hz steps
• Amplitude: 0 to -99 dBFS, individually configurable in 1-dB steps
• Distortion (THD+N): <0.0001% (<-121 dB), measured at 1 kHz, -1 dBFS

Network Interfaces

• Qty: 3; Dante Primary, Dante Secondary, and Management
• Type: 1000BASE-T Gigabit Ethernet (GigE) per IEEE 802.3ab (100 Mb/s also supported but not recommended for optimal performance; 10 Mb/s not supported)
• NIC Status LEDs: one link and one activity for each Ethernet interface

Front-Panel Display

• LCD with LED backlighting

Front-Panel LEDs

• 9, dual-color
• Functions: provides indication of condition of incoming AC and DC power, status of three Ethernet interfaces, status of Dante connectivity, status of GNSS receiver, and status of sync input

Software Updating

• USB flash drive supports updating of Main MCU, Main FPGA, and Sync FPGA firmware (embedded software); Dante interface updated via Ethernet interface

Power Sources

• AC Mains: 100 to 240 V, 50/60 Hz, 5W maximum
• DC: 10 to 18 V, 0.5 A max: 110 uA maximum with 12 volts DC and AC mains present, 190 uA maximum with 18 volts DC and AC mains present

Connectors

• GNSS Antenna: SMA jack
• Sync Input, Word Clock Output: BNC jack, per IEC 61169-8 Annex A
• Ethernet: 3, RJ45 jack
• USB: type A jack (used only for updating firmware)
• DC Input: 4-pin male XLR (pin 1 negative, pin 4 positive)
• AC Mains Input: 3-blade male, IEC 320 C14-compatible (mates with C13)

Included Accessories

• high-precision, multi-band GNSS antenna with 5-meter (16.3 foot) cable terminated with SMA plug. Mounts magnetically to metal surface or secured using two 4.5 mm pitch machine screws. (Hardware not included.)

Environmental

• Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
• Storage Temperature: -40 to 70 degrees C (-40 to 158 degrees F)
• Humidity: 5 to 95%, non-condensing
• Altitude: not characterized

Dimensions (Overall)

• 19.0 inches wide (48.3 cm)
• 1.72 inches high (4.4 cm)
• 7.9 inches deep (20.1 cm)

Mounting

• one space (1U) in a standard 19-inch rack

Weight

• 3.0 pounds (1.4 kg)

ANT-GNSS-01

GNSSアンテナ
希望小売価格:価格未定（税抜 価格未定）
※製品には1つ付属されております。

PS-DC-02J

パワーサプライ(DC12V 1.5A)