Andrew Wireless System ML717P 用户手册
Control Connector (RS485 / RS232)
This 8-pin male connector (type: Binder Series 712) primarily supports control of the
Extension Unit via RS485 bus.
Extension Unit via RS485 bus.
PIN Assignment
1 not
connected
2 RS232
Rx
3 RS232
Tx
4 not
connected
5 GND
(RS232)
6 RS485
R+/D+
7 RS485
GND
8 RS485
R-/D-
figure 3-5 RS485 connector
table 3-2 RS485 connector, pin assignment
3.2.3. Grounding
Grounding must be carried out. Connect an earth-bonding cable to the grounding
connection provided at the outside of the Remote Unit (see chapter 3.2.2
Connections). Do not use the grounding connection to connect external devices.
figure 3-6 Grounding bolt
figure 3-7 Grounding bolt, schematic view
After loosening the hex nut, connect the earth-bonding cable between the two
washers as illustrated in the figures above. Then, fasten all parts again with the hex
nut.
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MF0143AUB.doc