Moxa Technologies NPort Server Pro Manuel d'utilisateur télécharger pdf (Page 91)

Setting Up Custom 5-29

Setting Up WAN Port

What we have talked about at the previous chapters is mainly the use of COM for

multiport serial solution. Aside from the use of multiport communication, ports on

the NPort Server can be configured to mode called WAN. WAN port is the mode for

remote connection through leased-line or dial-up line. The function works like we

configure Remote Access Service (RAS) for COM ports under Windows NT. The

difference is, NPort Server can be a standalone server without NT RAS at local to

control the port. This provides simple and easy maintenance while the NPort Server

is at remote site. WAN Port can be known as a routing port too. When you have

multiple area to route to, you can setup multiple ports and add the routes of the

server to different sites. You may refer to previous section for details about routing.

Figure 5-4 shows you the application that you use for remote access through ports

on NPort. You may configure the port as WAN port to save the resources and system

loading on any of Host A.

Figure 5-4. WAN port application diagram - with one NT host at NPort Server

site.

NPortServer

TCP/IP

Host A: 203.67.6.10

203.67.6.253

192.167.1.11

NPort Server

Modem

Asynchronous Devices

NPort

Server

202.65.67.254

NPort Server/

Communication Server/

Async Router

Modem

NTNT

192.167.1.12192.167.1.12

ModemModem

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Moxa Technologies NPort Server Pro Manuel d'utilisateur Page 91