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5.10.4 Connecting the communication wiring
Do not connect the communication wiring when the power is on.
Connect the shielding nets at both ends of the shielded wire to the sheet metal "
Do not connect the power cable to the terminal of communication wiring, otherwise, the motherboard will be damaged.
It is forbidden to reverse the connection of the two communication ports (to up IDU) and (to down IDU) of the repeater.
On-site wiring must comply with the relevant regulations of the local Country/region and must be completed by
professionals.
When a single communication wiring is not long enough, the joint must be crimped or soldered, and the copper wire at
the joint shall not be exposed.
Before connecting the communication wiring, please select the appropriate communication mode.
Table 5.10 Communication mode
Communication protocol
PQ communication protocol
PQE communication protocol
Table 5.11 Communication wiring material
Communication mode
RS-485 (P Q E) communication
RS-485 (P Q) communication
WARNING
CAUTION
Number of cores and
Type of wire
wire diameter (mm
PVC-sheathed
copper-core flexible
shielded cable
PVC-sheathed
copper-core flexible
shielded twisted pair
" of the electronic control box.
Optional communication mode
between IDU and ODU
RS-485 (P Q) communication
RS-485 (P Q E) communication
Total length of
)
2
communication wiring (m)
3х0.75
L≤1200
2х0.75
L≤1200
V.1
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