Figure 2 - Grounding Access Control Units And Cables With Cpb-10-2S - Keyscan CA250 Series Technical Manual

Figure 2 – Grounding Access Control Units and Cables with CPB-10-2s
Note
Connect ground lug to single
cold water pipe ground point
Chassis
GND
on DPS15
40-2322
Data Cable
KI-00102E-07-11
Keyscan Technical Guide (PC109x - 04.12)
Reader
KEYSCAN
Shield
ACU 1
Control Board
CPB-10-2
G T R G R T B
Shields
KEYSCAN
Tape
back
shield
RS232
Tape
back
shield
Tape back travel
shields
Shield
Chassis
GND
Control Board
on DPS15
Common
ground
wire
Shields
Shield
Chassis
GND
Control Board
on DPS15
Tape back shield at end of line
KEYSCAN
Wiegand
Reader
Signal
ACU 2
CPB-10-2
G R T B
EIA/TIA-562
ACU 3
CPB-10-2
G R T B
13