Restrictions And Notes On Network Wiring - Mitsubishi Electric AE-200A Service Handbook

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[III System restrictions and notes]

[6] Restrictions and notes on network wiring

NOTE:
When connecting the AE-200/AE-50/EW-50 to the Internet, be sure to use a VPN router or other security device to prevent
unauthorized access.
(1) About LAN
We recommend using 100BASE-TX for the LAN.
Also, with regard to the category of LAN cables, use category 5 or better for reasons such as availability and connectivity with optical
cables (100BASE-FX).
The main cable type is shown in the following table.
LAN standard
100BASE-TX
(2) About HUB
Use a switching HUB for the HUB.
(3) LAN cable length
The maximum cable length for 100BASE-TX when connecting to the AE-200/AE-50/EW50 is 100 m (328 ft).
Therefore, if the LAN cable length exceeds 100 m (328 ft), you can increase the distance between the PC for state monitoring and
operation and the AE-200/AE-50/EW-50 by connecting via a switching HUB or other device.
NOTE:
For details on the switching HUB, refer the instruction manual supplied with the switching HUB.
There is no limit on the number of switching HUB connections, but if the load on the network becomes extremely high, delays will
occur and connecting normally with the network may not be possible.
The recommended number of devices, including a HUB, gateway, router, or layer 3 switch, to connect between the
AE-200/AE-50/EW-50 is four or less.
(The transmission delay time must be 4 seconds or less round trip. If the transmission delay time needs to be checked because, for
example, five or more devices are connected, refer to "V [5] 2. About the check method using ping.")
If a LAN communication error code appears, check the error as described in "V [5] LAN communication error check procedure."
100 m (328 ft)
PC for status
monitoring/operation
NOTE:
○ Use commercially available LAN cables.
Cable specification
Twisted pair cable (T)
Switching HUB
Switching HUB
Maximum
wiring length
100 m (328 ft)
Switching HUB
20
Communication
speed
100 Mbps
Switching HUB
100 m (328 ft)
AE-200/AE-50/EW-50

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