The Park Air T6-TV VHF Transmitter is a class-leading analogue and IP, ACARS, voice, and data radio designed for air traffic control (ATC) scenarios. It is integrated into a small, light package, offering flexibility for various operational needs.
Function Description:
The T6-TV VHF Transmitter serves as a ground-to-air transmitter operating in the VHF aeronautical band, supporting 25/8.33kHz channel spacing. It can be used as a standalone desktop radio or integrated into a Park Air C4 cabinet. The radio supports VoIP operation in accordance with ED-137, comprehensive monitoring and control via SNMP, and features an HTTPS web server interface for configuration. It also offers various frequency range and transmit power output options, along with software-defined analogue and digital waveform options.
Important Technical Specifications:
- Operating Frequencies: 118 MHz to 137 MHz, extendable to between 112 MHz and 156 MHz.
- Output Power: 50 W maximum.
- Dimensions: 79 mm (2U) high, 210 mm (half-rack) wide, 420 mm deep.
- Weight: 5 kg.
- Waveforms: AM Voice with 25 kHz and 8.33 kHz channel spacings, AM Wideband, ACARS, VDL-M2.
- Interfaces:
- Self-locking LEMO connection for microphone/headset.
- 4-Wire E&M for voice and data.
- 3 individually addressable Ethernet ports for VoIP and RCMS.
- E1 for voice and RCMS.
- 2 N-Type coaxial antenna connectors.
- Radio Pair Operation: Autonomous selection of main/standby radio with internal audio and RF switching.
- Operating Temperature Range: -20 to +55°C.
- Power Supply:
- AC Input: 99 to 264 V AC, 47 to 63 Hz, no more than 400 VA while transmitting.
- DC Input: 21 to 32 V DC, no more than 400 W while transmitting.
- Standards Compliance: ICAO Annex 10, EN 300 676, EN 302 617, ED-137, EN 301 489, BS EN 60950-1:2010, EN 62311 (2008), RoHS Directive 2011/65/EU compliant.
- Connectivity:
- Front panel: LAN 3 (10/100 Mbps, RJ45), Reference frequency monitor (20 MHz high impedance output, SMB), Microphone/headset (LEMO 5-way self-locking).
- Rear panel: DC input (Saf-D-Grid chassis plug), AC input (IEC-C14 chassis plug), Antenna (N-type socket), RF LINK (N-type socket), Earth stud (M5 thread), AUDIO (RJ45), LINK (RJ45), FAC (facilities) (RJ45), AMP (amplifier) (RJ45), E1 (RJ45), FILTER (RJ45), LAN 1 (RJ45), LAN 2 (RJ45).
Usage Features:
- Intuitive User Interface: Features a clear, easy-to-read high-resolution OLED graphical display with context-specific soft buttons and indicator icons.
- Front Panel Controls: Includes an on/off switch, soft function keys, busy indicators, a rotary/push switch for volume and menu navigation, and a status indicator.
- Display: Shows parameter fields (up to three) and soft function icons. The display brightness lessens after 24 hours.
- Rotary/Push Switch: Adjusts selected volume settings, changes display menus, selects options, and saves settings.
- Status Indicator: Illuminates blue for Full Service, amber for Reduced Service, and red for No Service or when Reduced Service is manually set to No Service.
- Menu Navigation: Allows users to access Settings, Status, and Information menus.
- Radio Configuration: A web server hosted in the radio allows configuration changes via an Ethernet connection using a laptop or desktop with a compatible web browser (Google Chrome, Apple Safari, Mozilla Firefox, Microsoft Internet Explorer 9+).
- Standalone Operation: Can be used as a desktop radio with an AC/DC supply, VHF antenna, and a microphone or headset (e.g., Park Air S2 microphone/headset).
- Cabinet Installation: Designed for tool-free installation into Park Air C4 cabinets (40U or 30U capacity), accommodating up to 40 T6 radios or Z4 filters. Mounting adaptors are available for legacy Cooper B-Line cabinets.
- Antenna Configurations: Supports standalone and main/standby antenna configurations, including those with an RF link or a Park Air Z4 solid-state changeover relay.
- VoIP Connectivity: Two ED-137 Ethernet connection options (LAN 1 and LAN 2) on the rear for redundant system interface connections. Can connect to VCCS and Park Air R4 module for MARC server/RCMS operation, or Park Air S4 IP controller and Park Air R4 module.
- Analogue Connectivity: E1 connection for digital radio systems and an AUDIO connection for analogue (4-wire E&M) radio systems.
- Transmitter Power Amplifier Connectivity: AMP connection for Park Air T6-AV power amplifier range.
- Auto-tune Cavity Filter Connectivity: FILTER connection for auto-tune cavity filters.
- Facilities Connectivity: General purpose outputs on the FAC connector for Active/Inactive state, Tx/Rx tape output, Ready output, Antenna changeover output, and Supply output.
Maintenance Features:
- Built-in Test (BIT): Continuously monitors the radio's environment and performance. Enters a 'reduced service' state if issues are detected, decreasing power output and alerting the operator with diagnostic information.
- Service Levels: Displays Full Service (operational to specification), Reduced Service (not fully operational, possibly not meeting specification), and No Service (not operational). The user can adjust parameters to display NO SERVICE if desired.
- Reference Frequency Adjustment: Recommended adjustments for stability and accuracy: every 12 months for 5-carrier offset, every 3 years for 2-carrier offset with 8.33 kHz channel spacing, and every 10 years for all other conditions. Requires a sufficiently accurate frequency counter (e.g., Park Air A6-ATE6000 confidence test equipment).
- Fan Replacement: The fan is accessible from the rear of the radio and can be replaced by removing four fixing screws after disconnecting power and cables.
- No User Serviceable Parts: Emphasizes that there are no user-serviceable parts inside the radio, except for fan access from the rear. Servicing must be carried out by suitably qualified personnel.
- Fusing: The radio uses a power supply with both live and neutral fuses. The AC supply requires a 5 Amp time-delay fuse.
- Earth Connection: Equipment must be earthed using the earth terminal of the AC connector.
- Remote Firmware Upgrade: Allows for upgrades from a remote site, reducing the need for site visits.
- Extended Service Intervals: Designed for a ten-year service interval and a fifteen-year service lifetime, contributing to reduced whole life costs.
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