頁面 3, Keyprox plus access control system, Multi-controller system warranty – Gianni Industries Keyprox Plus User Manual
Page 3: Gianni industries, inc

The product is warranted against defects in material and 
workmanship while used in normal service for a period of 1 
year from the date of sale to the original customer. The GEM 
policy is one of continual development and improvement; 
therefore GEM reserves the right to change specifications 
without notice. 
Gianni supplies all accessories for access control application 
including maglock, electric bolt lock, electric strike ,exit button, 
power supply, prox cards or fobs.
Keyprox Plus 
Access Control System
RS-485 must be used where the distance between the controller 
and the PC is greater than 30 meters or for installation of 
multiple controllers. The PC will require a 311 converter to 
interface between RS-232 and RS-485. The drawing below 
shows a typical connection of multiple controllers with a 311-30 
converter.
Multi-Controller System
Warranty
AC IN
N L
- +
12VDC 0.5A
P.B.
NO
NC
COM
Door strike 1
3 core
2 core
2
c
o
re
2
c
o
re
3 core
2 core
Controller 
Address 15
Reader 15 A
Alarm or trigger output
Exit 1
Button
Door Sw 1
Reader 15 B
AC IN
N L
- +
12VDC 0.5A
P.B.
NO
NC
COM
Door strike 1
3 core
2 core
2
c
o
re
2
c
o
re
3 core
2 core
Controller 
Address 0
311: RS-232/485
interface
Reader 0A
Power supply
Power supply
Alarm or trigger output
Exit 1
Button
Door Sw 1
Reader 0B
Total Cable Length Max. 1000 meters
Maximum of 16 Controllers
GIANNI INDUSTRIES, INC.
Copyright © Gianni Industries, Inc. All rights reserved. 
DM-CA-Keyprox Plus Ver. C Published on 2011.03.22
No. 13, Zhongxing Rd., Tucheng Dist., New Taipei 
City 236,Taiwan (R.O.C.)
Tel: 886-2 2267 7986 / Fax: 886-2 2267 9876
E-Mail: [email protected] 
Website: gianni.tw
