User's Manual

Futaba Corporation Rev. 020323-01
7.1.3 RS485 Level Converter
Wire the terminator of the RS485 bus (100 ohm), the input pull-up (1k ohm) and the input
pull-down (1k ohm), when necessary.
When long RS485 line is used or there is much noise, provide the surge absorber (e.g.
Z2012 made by Ishizuka Denshi) according to the situation.
Figure B–3: RS485 Level Conversion Circuit
7.2 Specification of the Connectors
(1) Serial Communication connector
Connector: MOLEX 53780-1490 (14 pins)
Mating Plug: MOLEX 51146-1400
(2) Antenna connector
RF connector: HIROSE U.FL-R-SMT
The antenna connector is guaranteed for 30 times of plugging in/out.
When plugging out the antenna connector, use the specially prepared
tool of E.FL-LP-N, provided by HIROSE (HIROSE Product No.
CL331-0441-9).