CONTROLLER KEYBOARD 15
S4:DVR Port Termination ON
DATA1
DATA1
IN
OUT
S5:Slave port termination ON
Last DVR
DVR2
DVR1
S1:Dome1 Port Termination ON
DV
R Ter
min
atio
SW1:Termination ON
SW1:Termination ON
S8:Slave mode ON
S8:Slave mode ON
S8:Slave mode ON
n O
N
TR X1
D C 12V
+
S1:D O M E1 PO RT TERM IN ATIO N
S2:D O M E2 PO RT TERM IN ATIO N
S3:SLAVE PO RT TERM IN ATIO N
S4:D VR PO RT TERM IN ATIO N
D A TA 1 D ATA 2
S1
O FF
O N
S 8:O FF-M ASTER /
S 7:RESERVED
S 6:RESERVED
S 5:RESERVED
O N -SLAVE
- G
G
-
+
TR X2
RS-485
S2 S 3 S 4
S 1
1
2
3 4
Figure 8 – Termination and Switches
Figure 9 – Termination of Slave controller
Figure 7 – Rear View of the Keyboard
S5 S 6 S 7 S8
S2
4
3
2
1
