Data Sheet

Description
Powers up to 2 ETS SM1 series
microphones and distributes their
audio outputs to individual RCA (or
optional 3.5mm) jacks. Designed for
connecting SM1 series
microphones to equipment with
un-balanced, line level inputs. Ideal
for use with DRVs, remote
monitoring equipment and multiple
CCTV monitors (with built in
speakers).
Includes
 SMI-2 Interface adapter.
 12 VDC AC adapter.
 2 each 3’ RCA or 3.5mm patch
cables.
 Installation instructions.
Options
 SPECIFY: RCA OR 3.5mm output
connectors.
Wiring Requirements
 Microphone cable runs: Stranded 22-
gauge, 2-conductor shielded cable.
Distances up to 1500 feet each.
Warranty : 1 year parts and labor. Made in USA
Caution
It is the responsibility of the installation company and end
user to comply with state and federal privacy laws regard-
ing the use of audio surveillance equipment. If you are
unfamiliar with these laws, consult a qualified attorney. In
most cases, posting the provided warning labels in plain
view is all that is required.
SMI-2 Interface Adapter Specifications
 Standard RCA or 3.5mm jacks for
connection to DVRs etc.
 Line level (0db) output levels.
 Euro-style connectors makes cable
terminations fast and clean.
 LED power indicator.
 Power:12 VDC @ 20mA
 Reverse polarity protected.
 All power circuitry and cable runs
protected with auto-reset type fuse.
 Black plastic ABS housing.
 Dimensions: L 3.3 x W 2.0 x H 1.6
SMI-2 Two Channel DVR
Interface Adaptor
Electronic Technical Services Inc.
211 Conchas SE
Albuquerque, NM 87123
PH 505-888-3923 FAX [phone]
Sound Surveillance
tm