Axis Communications 2120 user manual Technical Specifications for the Axis, Connection Diagram

52 The AXIS 2191 Audio Module AXIS 2120 User’s Manual

Technical Specifications for the AXIS 2191

•Operating temperature: 40-105oF(5-40oC).

•Humidity - 8-80% relative humidity.

•EMC - : EN55024, EN55022, Class B and EN61000-3-3.

•EMC - FCC Class A of FCC Rules and Regu- lations part 15, subpart B.

•EMC -

•Full-duplex audio: Audio data encoded in ADPCM format at 32kbps, 8 kHz sampling (G.721). Data is sent using HTTP.

•9-pin D-SUB serial connector: RS-232.

•Power Input: Axis PS-D power supply.

•Microphone Input: 1-50mVpp. PC type.

•Line Out: Unbalanced, 0.05-1.0Vpp

•Line Input: Balanced 0.05-1Vpp. Connect source ground to pin 2 and source signal to pin 1 if the source is unbalanced.

•Speaker Output: Balanced, 0.5W. Imped- ance 8-32 Ohms. Connect directly to speaker without capacitors.

•Alternative Power: 12-15VAC, min 10VA, or 15-20VDC, min 7W.

•Metrics: Height: 1.1” (27mm),

Width: 4.4” (112mm), Length: 4.3” (110mm),

Weight: 0.7lb (0.32kg).

•Maximum number of users: 10 (on local area network).

Connection Diagram