
MOXA Tech Note
PPP Connection Between NPort 6000 Servers
Copyright © 2006 The Moxa Group Page 10 of 10
A: There may be multiple NICs (network interface cards) installed on your PC,
which can cause conflicts with your routing. Try disabling WLAN or Dual LAN and
see if that resolves the problem.
7.5 Q: I would like to establish a PPP connection between two NPort 6000 servers
using just RS422 or RS485 cable and no modems. Is this possible?
A: Yes. A PPP connection can be established between two NPort 6000 servers
using just RS422 or RS485 cable and no modems. However, this is not possible
with 2-wire RS485 half-duplex operation. When configuring for this kind of PPP
connection, make sure that for each device port, “Disconnect by” is set to DRS-off
or none, and the interface is set to either RS422 or 4-wire RS485. You may ignore
all modem settings.
7.6 Q: Can MOXA’s CN2516, CN2510 or CN2610 async servers also be used in PPP
connections with the NPort 6000?
A: Yes. MOXA’s CN2516, CN2510 and CN2610 async servers all support Dial
in/out applications and should be able to establish PPP connection with no
problem.
7.7 Q: The latest firmware for the NPort 5600 server supports PPP mode. Is PPP
operation on the NPort 5600 exactly the same as on the NPort 6000?
A: No. Although the NPort 5600 supports PPP mode in the latest firmware version,
it can only be used for dial-in applications. Also, the NPort 5600 (including the
NPort 5610 and 5650) does not include a routing table, which is important in
allowing remote PCs gain access to Ethernet resources.
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