3
Quick Installation Guide
2.
RECOMMANDED CABLE TYPE AND PERMISSIBLE LENGTH
Reference
Description
Cable Specification
Maximum
Distance
①
iTDC/iTDC-SR Power (DC12V)
DC Power <--> iTDC/iTDC-SR
Belden #9409, 18 AWG
2 conductor, unshielded
3m
②
*
Reader (Power and Data)
Extra Reader
Belden #9512, 22 AWG
4 conductor, shielded
150m
Belden #9514, 22 AWG
8 conductor, shielded
③
Door Contact
Exit Button
Sensor Input
Input <--> iTDC/iTDC-SR
Belden #9512, 22 AWG
4 conductor, shielded
300m
Belden #9514, 22 AWG
8 conductor, shielded
④
Door Lock,
Alarm Device
Lock (Alarm) <--> iTDC/iTDC-SR
Belden #9409, 18AWG
2 conductor, unshielded
300m
⑤
RS232 Cable
Converter <--> Host P.C.
Belden #9829, 24 AWG
2-twisted pair, shielded
15m
⑥
RS422 Cable
iTDC/iTDC-SR <--> iTDC/iTDC-SR
iTDC/iTDC-SR <--> Converter
Belden #9830, 24 AWG
3-twisted pair, shielded
1,200m
⑦
UTP Cable
Host PC <--> HUB
HUB <--> iTDC/iTDC-SR
UTP Cable
CAT5(Catagory5)
100m
* For reference 2, make sure to use wire with proper thickness in order to withstand current that
exceeds the maximum consuming level.
