Siemens CCDA1415-DN Instruction Manual page 22

Indoor Installation
90
Siemens Building Technologies
Fire & Security Products
Siemens RS422/RS485 data connections
Pin Designation
1 RS422 Data In High (+)
2 RS422 Data In Low (–)
3 RS422 Data Out High (+)
4 RS422 Data Out Low (–)
5-6 must be connected using a jumper cable!
IMPORTANT If the Siemens protocol is used, the SensorNet input must be jumpered!
The following interface parameters are applicable for the Siemens protocol
RS422/RS485:
Data rate in baud 19,200 bits/s
Data format Start bit 1
Data bit 8
Parity
Stop bit 1
Table 3 Interface parameters Siemens RS422/RS485
SensorNet RS485 data connections
Pin Designation
1-4 not used
5 SensorNet (unshielded)
6 SensorNet (unshielded)
0
from the controller
to the next dome
BE_CCDA1415-DN.doc
05.2004