
AXIS 2191 Installation Guide
Page 7 of 7
Technical Specifications
Connection Diagram
The Audio Module to Camera Serial Cable
The serial cable supplied with your AXIS 2191 is wired as shown in the table below:
•
Operating temperature
: 40-105
o
F
(5-40
o
C).
•
Humidity
- 8-80% relative humidity.
•
EMC -
: EN55024, EN55022, Class B and
EN61000-3-3.
•
EMC - FCC
Class A of FCC Rules and Regula-
tions 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. Impedance
8-32 Ohms. Connect directly to speaker with-
out 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).
Pinouts for the RS-232 Port
Audio
Pin
Pin
Camera
Signal
IN
1
1
IN
CD
IN
2
2
IN
RXD
OUT
3
3
OUT
TXD
OUT
4
4
OUT
DTR
GND
5
5
GND
GND
IN
6
6
IN
DSR
OUT
7
7
OUT
RTS
IN
8
8
IN
CTS
Unused
9
9
IN
RI
Part No. 18692 v1.0