MERak
MMk-656
Compact Emergency Telephone for Lifts
Rev. M1.5 – S2.5
©
MERak. All rights reserved
Instruction and Connection Manual
17 of 20
14.
WIRING DIAGRAM
Illustration 3: Wiring diagram for the MMk-656
15.
RS-485 SERIES CHANNEL
The
J3
input corresponds to an RS-485 series channel.
The port configuration is 9 data bits without parity and one Stop bit (9N1), at 4800bps by default.
These parameters can be modified.
15.1.
Connections
The communications connector
J3
COM is of RJ-11 type and the layout and function of the pins
is: