Fujitsu PRIMEQUEST 500A Series Installation Manual page 80

CHAPTER 2 Setup
2.2.4.5 Setting a management LAN hub
This function sets Speed/Duplex for each port on the MMB and then sets a VLAN
between the partition LAN port and MMB LAN port that are connected to the
management LAN. The function also sets the communication speed and method
(duplex) of each MMB port. These settings can be made with the Administrator
privilege.
Speed/Duplex setting for the management LAN port
Set "AUTO" for Speed/Duplex of the USER port.
Remarks: If Speed/Duplex of the USER port is set to a value other than "AUTO," the
Also, note the following about the REMCS port:
For the PRIMEQUEST 500/400 series
The REMCS port also has the Auto MDI-X function. If Speed/Duplex is set to a
value other than "AUTO," the appropriate cable for use is the same as that for the
USER port.
For the PRIMEQUEST 580A/540A/520A
• The REMCS port does not have the Auto MDI-X function.
Use the following cable regardless of the Speed/Duplex setting:
To connect a switching hub device: Straight cable
To directly connect a PC: Crossover cable
Note:
A different cable is used compared with that of the USER port. Be careful.
• If Speed/Duplex of an external device connected to the REMCS port is set to
a value other than "AUTO," also set "AUTO" for Speed/Duplex of the
REMCS port. (Be sure to set the same value as that of the external device.)
VLAN functions of management LAN and VLAN mode
The management LAN hub on the MMB accommodates partition networks, user
ports, REMCS ports, and certified service engineer ports. If this hub is a typical hub,
the following problems occur.
Inter-partition communication is enabled, so that a transaction system installed in a
partition can be accessed from another system installed in another partition, and
this poses a security risk.
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Auto MDI/MDI-X function is disabled. To prevent this problem, use the
following cable:
To connect a switching hub device: Crossover cable
To directly connect a PC: Straight cable
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