Auto-zone-control-systems CommLink 5 Technical Guide, Installation Instructi Uživatelský manuál stáhnout pdf (Strana 13)

CommLink 5 Technical Guide

Operator Interface

Connecting the Network

CommLink 5

Firewall //Proxy Router

Ethernet Cable To Other

Nodes On Building LAN Or WAN

Ethernet Cable

Optional Direct

Computer Connection

To CommLink 5 Via Crossover

(Supplied with IP Module)

Personal Computer

Figure 4: Example Network Diagram of a Firewall or Proxy Conﬁ guration

Proxy and Firewall Compatibility

Proxy and Firewall conﬁ gurations may become necessary

when the CommLink 5 is connected to a LAN/WAN that is pro-

tected by a commercially available Firewall, Proxy, or NAT enabled

router. Examples of these would include Cisco, NetGear, LinkSys,

or WatchGuard Technologies. Also, some ISPs provide IP Address

ranges that are already ﬁ re-walled at the NOC or ISP Head-End.

Make sure that your IT Department or ISP can create a mapped TCP

port 39288 on your ﬁ rewall/proxy to TCP port 39288 on the assigned

IP Address of the CommLink 5.

Only with proper conﬁ guration of the Firewall/Proxy are connections

to the CommLink 5 from outside of the local area network going to

be possible. Check that the Firewall/Proxy TCP port 39288 is not

set to time out or reset after a speciﬁ ed amount of time when there

is no trafﬁ c from the remote PC.

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Auto-zone-control-systems CommLink 5 Technical Guide, Installation Instructi Uživatelský manuál Strana 13