7
Siemens Building Technologies
Fire Safety & Security Products
10.2008
3 Technical
data
3.1 Specifications
Single VIS3I-328
Expanded VIS3I-328 Pair
Video Connections
Input connectors
32 BNC
64 BNC
Input level
0.7 – 1.5 Vpp
Input impedance
75 Ohm
Loop-through connectors
32 BNC
64 BNC
Output connectors
8 BNC
16 BNC
Output impedance
75 Ohm
Video Performance (nominal)
Frequency response (-3 dB point)
> 5 MHz
Chrominance delay
< 15 nsec
< 18 nsec
Chrominance gain
> 97 %
> 91 %
K-rating (2T pulse/bar)
< 2.2 %
< 4.0 %
Signal to noise (567 weighted)
> 70 dB
> 70 dB
Signal to noise (567 unweighted)
> 60 dB
> 60 dB
Crosstalk (at 4.43 MHz, input to input)
-36 dB
-27 dB
Video Matrix
Single unit
32 i/p
×
8 o/p
64 i/p
×
16 o/p
Text Insertion
Text columns per output channel
38 chars.
Text rows per output channel
14 chars.
Telemetry Channels
C-type channels
32
64
C-type carrier frequency
11.3 MHz
D-type channels
32
64
D-type fixed termination per channel
120 Ohm
Serial Ports
RS-232 control ports
1
2
Dual standard RS-422/232 control ports
3
6
RS-422/485 keyboard ports
1
Keyboards powered from keyboard port
1
Serial port fixed RS422/RS485 termination
120 Ohm
Other Connections
Alarm inputs via alarm connector panel
128 channels
256 channels
Relay outputs
4 SPDT
8 SPDT
Relay contacts max voltage
12 V DC
Relay contacts max current
1 A DC