System information
FCD 901 48
Issue R2A, 07.2009
XMP1 Release 5.5 System Description
Sensors
Aastra Proprietary Information Page 9-29
EMC protection signal transmission units EN 60 834-1
9.11.4 Sensors
Number of sensors 16
Permissible operating voltage < 60 V
Polarity any
Residual voltage without detection < 4 V
Sensor voltage with detection > 7 V, < 8.5 V
Sensor supply voltage 12 V or 24 V, adjustable in common
Current limiting in sensor circuit >1 mA and < 2.5 mA
Max. loop resistance
<1500 Ohms with 12 V
< 5000 Ohms with 24 V
Debouncing time approx. 100 ms to 6.4 s, configurable
9.11.5 Transmitters
Number of transmitters 8
Closed contact
Minimum current 0.1 mA
Maximum current 1 A
Impedance <0.1 Ohms
Open contact
Maximum DC voltage > 60 V
Max. residual current < 1
A
Tab. 9.L: Video modules
9.12 Video modules
9.12.1 Video interfaces
Number of interfaces per module 2
Interface type
2 x FBAS/CVBS inputs on video encoder
2 x FBAS/CVBS outputs on video decoder
Connector BNC, 75 Ohms
Video encoding/decoding
Encoding algorithm H.261
Video format 288 lines x 352 pixels (full-CIF)
Refresh rate 7.5; 10; 15; 25; 30 or 50 images/s
Data rate nx64 kbit/s (n=1 to 15)
9.12.2 E1 interface
E1 (2Mbit/s) 2.048Mbit/s