Perle Systems P840 User Manual download pdf (Page 17)

ISDN Connection Management

Address Connect

An Address Connect connection is an ISDN connection that is established to a specific destination P840

dependent upon the destination network address contained within traffic received from the local LAN.

When a device on the local LAN wishes to establish a session with a device on a remote LAN, the local device

will send a frame with a destination address of the remote device. The P840 will receive the frame and examine

the destination network address contained within the frame.

If the P840 can determine the route to the destination network address, the frame is passed along to one of the

currently connected partner P840 Routers. If the destination network is not located on a currently connected

partner P840, the local P840 will then look in the Address Connect table to determine which partner P840 to

call.

The Address Connect tables are used by the P840 to determine which remote P840 is called when a specific

destination network address is requested from a device on the local LAN. The Address Connect tables are

configured by the P840 operator.

555-1000

555-8000

The ISDN connection is made

to the appropriate remote network

according to the entries in the

Address Connect table.

Network B

Network H

Network A

555-2000

ISDN Network

Remote Network

Network B

Network C

Network D

Network E

Network F

Network G

Network H

555-2000

555-3000

555-4000

555-5000

555-6000

555-7000

555-8000

ISDN Number

Networks C through G

Figure 2 - 2 Address Connect WAN Topology

Manual Call

A manual call is simply an operator initiated ISDN call to a remote partner P840. The ISDN number is entered

by the operator and a call is made.

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Perle Systems P840 User Manual Page 17

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