45
3-9-7 Cable Lengths
Wire Cables
RS-232C cable 15 m max.
Total length of RS-422 cable 500 m max.
Length of each RS-422 branch 10 m max.
Optical Fiber Cables
Cable Units with “P” in suffix Units without “P” in suffix
APF 20 m Connection impossible
PCF 200 m 800 m
Note If the distance between a Link Adapter and a CPU’s host interface, a Link Adapt-
er and Host Link Unit, or a Link Adapter and another Link Adapter must be more
than 800 m, use 3G2A9-AL005(-P) or 3G2A9-AL006(-P) Link Adapters with
quartz fiber cable. Refer to the C-series Link Adapters Installation Guide for de-
tails.
Wiring Section 3-9
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