ETS SA1-MPEA Instructions

The ETS SA1-MPEA is a versatile interface box designed for IP cameras. It features a built-in 10-watt speaker amplifier that powers an 8-ohm speaker, enabling audio output from the camera. The device utilizes Power over Ethernet (PoE) for both its power and data connection, with two modes of operation for different network configurations. It is compatible with both Modes A and B of IEEE802.3af PoE standard. The SA1-MPEA also includes an adjustable audio input level for optimal volume control, with a speaker gain range switch for flexibility.

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SA1-MPEA Interface Instructions
The SA1-MPEA is a single channel, speaker driver and Power Over Ethernet IP camera Interface box. It contains a 10
Watt speaker power amplifier to drive an 8 Ohm speaker and is powered from the same ethernet cable that the camera
uses. The SA1-MPEA audio input is designed to connect to an IP camera’s audio output.
SA1-MPEA location and power
The SA1-MPEA should be placed within 6 feet of the IP camera. There are 2 modes of operation for the SA1-MPEA. In
mode 1 the SA1-MPEA is placed between the PoE switch and the IP camera. In Mode 2 the SA1-MPEA powered by its
own ethernet cable run going back to the PoE switch. A PoE plus network switch is recommended for mode 1 and is not
needed for mode 2. Note- in mode 1 the PoE sense resistor should be switched “OUT” and for mode 2 it should be
switched “IN”.
Speaker Cable
The speaker cable should be 18guage 2 conductor and can be up to 300’ long.
Adjusting the speaker volume
Adjust the audio input level for an acceptable volume level on the connected speaker beginning with the gain switch in the
low position. If a decent amount of volume cannot be achieved, place speaker gain range switch in the “High” position.
SA1-MPEA Mode switch: The SA1-MPEA supports Both Modes A and B of IEEE802.3af POE. The SA1-MPEA is preconfigured for the most common use of the “end point” POE IEEE802.3af standard (mode A). If the power LED does not
illuminate in this position, try the mode B position (mid span).
Caution
It may be against the law to install this microphone kit in certain environments. It may also be against the law to record
conversations of the person(s) being monitored without their knowledge. It is the responsibility of the installation company
and end-user to determine if the application of this product is legal. These laws vary from state to state. If you are not
informed on these matters, consult a qualified attorney or contact the appropriate state agency. A sticker is provided with
this kit for the applications where notification must be posted.
Warranty
All ETS products carry a one year parts and labor warranty. This warranty does not cover damages as a result of misuse,
improper handling of the unit or exposure to extreme temperatures or moisture. At its discretion, ETS reserves the right to
repair or replace this unit under the conditions of the warranty. If you experience problems with your equipment call ETS
at: 505-888-3923 to obtain a return authorization number. Equipment requiring repair beyond the warranty period or units
that have been damaged or are not covered under the warranty can be repaired by ETS for a minimal cost under most
conditions.
Made in the USA
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Key features

Speaker amplifier
PoE power
Audio input level
Gain range switch
Mode A/B support
2 modes of operation

Frequently asked questions

The speaker cable should be 18-gauge 2-conductor and can be up to 300' long.

In mode 1, the SA1-MPEA is placed between the PoE switch and the IP camera. In mode 2, the SA1-MPEA is powered by its own ethernet cable run going back to the PoE switch.

A PoE plus network switch is recommended for mode 1.

Adjust the audio input level for an acceptable volume level on the connected speaker beginning with the gain switch in the low position. If a decent amount of volume cannot be achieved, place speaker gain range switch in the “High” position.