
INSTALLATION
Page 26
DOC_DEV_IPL-C_User guide_A
Cellular Router Firewall
7
RS485 connection (IPL-C-220 or IPL-CW-220)
The RS485 serial interface is provided on the front
panel 2 positions screw-block.
It is not isolated.
Long RS485 line or high data rate
if the RS485 line is longer than10 meters or if the
data rate is greater than 19200 b/s, it is necessary
to connect one 120 Ohm matching resistor at each
end of the line and two 390 Ohm polarisation
resistors at one of the two extremities of the line.
Содержание IPL-C
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Страница 42: ...ETIC TELECOM 13 chemin du vieux Chêne 38240 Meylan France contact etictelecom com ...