
Figure 21: Connecting the controller
Callout
Description
A
DB9F: Gateway to serial port. The maximum length is 100 ft (33 m).
B
External power supply: 5 to 14 VDC, 100 mA
C
VC-845: RS232 to RS485 serial communication interface
D
KT-1 controller
E
Connect the RS-485 main network to other KT-1 controllers or to the gateway using
a USB-485 interface.
F
KT-1-PCB controller
G
USB-485: USB to RS485 serial communication interface
H
Gateway USB port. The maximum length is 3.3 ft (1 m).
KT-1 One-Door Controller Installation Guide
43
Содержание Tyco KT-1
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