Tunnel Master® wbc Installation Guide
Page 50
Tunnel Master® wbc Installation Guide
Page 50
Entrance Keypad Components
The following figure shows the entrance keypad circuit board and location of the various jumpers on
the entrance keypad circuit board.
In Figure 43, the jumper functions are displayed with their normal settings. By default, the keypad
is address 5. There is no reason to change this unless advised by ICS. If you have two keypads, you
should address the second keypad as address 6.
ID
Jumper
Setting
Default
Description
1
J1
ON
Reserved Jumper; ALWAYS ON
2
J2
ON
Reserved Jumper; ALWAYS ON
3
SW1
Circuit board reset
4
DIP
Switch
5
J5
OFF
Biasing Resister High (+)
6
J6
OFF
Biasing Resister Low (-)
7
J7
ON
Terminating Resister. Set to ON if it is the first or last device
in the network.
8
J3
1 and 2
E-Prom Chip Enable; Jumper Down next to “CE”
9
J4
ON
Ground Jumper
Figure 44. Keypad Circuit Board Jumper Settings
Table 18. Entrance Keypad