- Main Features:
- G711, PCM Encoding and Decoding
- MP3 Encoding and Decoding
- Audio Level Supervision with SNMP Trap generation
- IP Streaming via TCP, UDP, RTP, Multicast
- Microphone Input
- Line Level Output
- Amplified Output 5W (8 Ohm)
- Contact Closure Input (2)
- RS-485 Serial Port (1)
- Power Supply (not included)
- Supply Voltage (18..28V)
- Dual Ethernet • Supervised Speaker/Mic and Control Interface
- IP65 rating, tested to EN50155, suitable for applications in rolling stock
- Wide operating temperature range (-40..+70'C), shock and vibration resistant
- Current sourcing Outputs (1
- Specifications:
- Electrical
- 24 to 48 VDC ± 30%, <60 V, 16 Watt max.
- M12 "A" connector (male)
- Ethernet
- 2x 10/100Mbps auto, MDI/MDI-X, Link & Activity LEDs per interface, Internal switch, Protocols: TCP/IP, UDP, RTP, SIP, DHCP
- M12 "D" connector (female)
- RS-485
- 300..230'400 Baud asynchronous, 7/8 bit
- +12V, 100mA, fused supply output to external devices
- M12 "A" connector (female)
- Line out
- max. 11 dBm @ 600 Ohm, max. 12 dBu (FS), unloaded
- Output impedance 40..45 Ohm, 14 mWatt max
- Values @ 600 Ohm: Freq. response 20 Hz .. 20 kHz (-3dB),
- Dynamic range 80dB, SNR -80dB, THD <0.15% (-3dBFS)*
- Output level software controllable
- Speaker out
- 5.5 Watt RMS max @ 8 Ohm
- Values @ 8 Ohm: Freq. response 10 Hz .. 15 kHz (-3dB),
- Dynamic range 82dB, SNR -82dB, THD <0.1% (-3dBFS)*
- Output level software controllable
- Microphone in
- Electret mic, supervised bias power (2.4..4 VDC)
- Frequency response 50Hz ..20kHz (-3dB)*
- Dynamic range 70dB, SNR -70dB, THD <0.05% (-3dBFS)*
- input sensitivity software controllable
- Audio formats
- MP3, encoding/decoding up to 192/320kbps
- PCM 16bit @8, 16, 22.05, 24, 32, 44.1, 48 kHz
- G.711, uLaw, aLaw (sample rates same as PCM) Discrete I/O
- 2 fully supervised inputs
- 1 LED driver output, current limited
- internal temperature sensor
- 2 status LEDs (red/green) Panel interface
- Sub-D 15 connector, all audio and I/O signals
- Mechanical
- Aluminum case, 460 g, with mounting wings Min. mounting space incl. plugs (W x D x H)
- 230 x 138 x 47 mm (9 x 5.43 x 1.85 inch)
- Dimensions (W x D x H)
- 130 x 108 x 38 mm (5.12 x 4.25 x 1.5 inch)
- MTBF
- Calculated acc. to MIL217F at 40 °C
- Min. 68 000h at "ground mobile" environment
- Min. 160 000h at "ground fix" environment
- * depends on used codec, best results @48kHz PCM