Euroma KB-10, User Manual

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Physical Interface
NO
.
Connection
NVR Sub Keyboard Input
(
NVR-AUX)
2 Ra,RbConnect sub keyboard Ta
，
Tb
Ta,TbConnect NVR Serial Portto AB Port
TXD Control Indicator
RXD Control Indicator
When connected to NVR or TV wall, indicator light will blink
When cascading of keyboard, indicator light will blink
3
4
5 Power Indicator (PW) When keyboard is in use, red indicator light will be on
1
NVR Keyboard Input
(
NVR-CON
)
6
Power Adaptor Connect DC 12V power.
RS-232
232 to 485 interface, connect NVR serial port AB port 7
2