12
Control DVR
10
1
PTZ DVR
PW
DC-12V
RS485-EXPORT
RS485
EXPORT
PTZ-CON PTZ-AUX
Ground
DVR-AUX DVR-CON
10
9
8
7
6
5
4
3
2
1
Ta
Tb
Ra
Rb
G
G
Ra
Rb
Ta
Tb
10
1
PTZ DVR
PW
DC-12V
RS485-EXPORT
RS485
EXPORT
PTZ-CON PTZ-AUX
Ground
DVR-AUX DVR-CON
10
9
8
7
6
5
4
3
2
1
Ta
Tb
Ra
Rb
G
G
Ra
Rb
Ta
Tb
PRE
V
A
PTZ
EDI
T
ESC
MENU
MON
INF
O
REC
PLAY
1
0
F1
F2
PRE
V
A
PTZ
EDI
T
ESC
MENU
MON
INF
O
REC
PLAY
1
0
F1
F2
DVR KB port pin D+ (or DVR
RJ45 keyboard port pin3)
DVR KB port pin D- (or DVR
RJ45 keyboard port pin4)
Connect host keyboard pin2 (Ta)
with DVR KB port pin D+ (or DVR
RJ45 keyboard port pin3)
Connect host keyboard pin1 (Tb)
with DVR KB port pin D- (or
DVR RJ45 keyboard port pin4)
Host keyboard
Auxiliary keyboard
Connect host keyboard pin4 (Ra)
with auxiliary keyboard pin2 (Ta)
Connect host keyboard pin3 (Rb)
with auxiliary keyboard pin1 (Tb)
Embedded Net DVR
Embedded Net DVR
BMK-1000K
or
BMK-1010K
keyboard
Can cascade DVR 31 units maximum
BMK-1000K or BMK-1010K
keyboard
Figure 5