Introduction
Multi-keyboard can simply use RS-485 cable bus to control multiple DVRs at the same time.
User can see the ID number in LCD to know which DVR has been controlled.
Hardware Installation
123
456
1
6
Pin Num
Pin Denition
1
2
3
4
5
6
No Connection
DC +12V
GND
DATA A (+)
DATA B (-)
No Connection
Baud Rate: 38400 bps
LCD Display
ID:000 CHANNEL 02
X:128 Y:128
DVR ID Number
Joystick X axis and
Y axis posistion
Key Function
DVR and Multi-keyboard Connection Modes
RS-485 cable
Joystick Multi-keybaord
DVR
1 ~ N Connection:
DVR:1 DVR:2 DVR :3 . . . DVR:N
. . .
Keyboard:1 Keyboard:2 Keyboard :3 . . . Keyboard:N
. . .
DVR:1 DVR:2 DVR :3 . . . DVR:N
. . .
Keyboard
N ~ N Connection:
PROG
ID:000
X:128 Y:128
To use single Multi-keyboard control all
connected DVRs:
1. Press
key for 3 seconds
2. LCD display ID: 000
For example:
ID:001
X:128 Y:128
To use single Multi-keyboard control specic
connected DVRs :
1. Press
PROG
key for 3 seconds
2. LCD display ID: 001, 002, 003, ..., or 255
For example:
To control connected DVRs which their DVR IDs
are 1, Keyboard LCD displays as below.
DVR ID Setup
3. Press and hold one of the DVRs Selection keys
for 3 seconods.
4. Input 3 digits by channel keys for ID number.
(If DVR ID is 1 in MAIN MENU--> Iinstaller
Setup --> RS485, imput 001.)
1 ~ N Mode Setup: N ~ N Mode Setup: