ETS SMA1-MPEA Power Over Ethernet I/P camera (two way audio) speaker / microphone interface box

ETS SMA1-MPEA Power Over Ethernet I/P camera (two way audio) speaker / microphone interface box

Two-way audio In line adaptor for tapping power off Ethernet powered IP cameras to supply power to ETS Sound Surveillance speaker / microphones. Built-in 10W speaker power amplifier and terminal blocks for connecting ETS SM1 series microphones and 8 Ohm speakers. 3.5mm (or RCA) input / output jacks for connections to "microphone" / "line input" and "line output" of IP cameras. Supports both modes A and B of IEEE802.3af.

Key Features:

• RCA or 3.5mm audio input / output connectors
• Microphone or line level output.
• Speaker line level audio input.
• Transformer isolated audio input and output.
• Adjustable audio input / output levels.
• Up to 10 Watt speaker power amplifier.
• Can be powered by itself with a separate PoE cable run or placed in line with an IP camera.
• Selectable gain range for speaker
• 8 ohm speaker output
• RJ45 in/out jacks for Ethernet.
• Straight through CAT5 connections (no crossover)
• A/B mode switch for IEE802.3af power format.
• Internal switching regulator converts PoE 48-57Vdc to 15vdc for internal speaker power amplifier and microphone power supply.
• Current consumption 670ma. Maximum
• Led power indicator.
• Euro-style connectors makes speaker and microphone cable terminations fast and clean.
• Auto polarity protected & fused.
• Operating Temperature 0 to 70C
• Weight: 0.2lbs
• Dimensions: L 5.3 x W 3.3 x H 1.6

Includes: 

• SMA1-MPEA interface
• 2ea. 6’ 3.5mm patch cords.
• Installation instructions.

Wiring requirements: 

Microphone: 2 conductor shielded (with drain wire) 22 gauge stranded. Max cable length 1000’

Speaker: #22/2 100’, #18/2 300’