Black Box MT720A-232T Manual de usuario descargar pdf (Pagina 36)

CHAPTER 5: Quick Start

9. The STM Async Channels are numbered according to the link number:

For link number 1, in Stat-8, they are numbered 101—108.

For link number 1, in Stat-24, they are numbered 101—124.

For link number 2, in Stat-8, they are numbered 201—208.

For link number 2, in Stat-24, they are numbered 201—224.

•

For link number 12 in Stat-8, they are numbered 1201—1208.

For link number 12 in Stat-24, they are numbered 1201—1224.

NOTE

The sub-channel addresses are “00” by default, and must be configured to another number

before use.

NOTE

Stat-4 channels do not work at present with X.28 parameters that is, the profiles defined in

the Fradswitch do not change the parameters already defined in the Stat-4.

5.4 Weight-Oriented Routing Function

Whenever a call command is issued, the interface from which the call is to be connected is selected using

a static routing table. The algorithm is very simple—the routing table is searched until an address match is

noted, and then the first synchronized link is selected.

New Implementation Builds a list of all links which have satisfied the following conditions:

• The link is synchronized (exception is a dialed link).

• There is at least one LCN available.

The selection between the links is set according to pre-defined priorities determined by the user.

The link priority is actually the load factor.

For example, if links 1, 2, and 3 get respectively the priorities 2, 5, and 6, then for every 13 calls

2 will be routed to the link 1, 5 to link 2 and 6 to link 3.

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Black Box MT720A-232T Manual de usuario Pagina 36