BONDING

Chapter 10

BONDING

BONDING is a new protocol standard from the Bandwidth ON Demand INteroperability Group for combining the bandwidth of several 56 kbps or 64 kbps channels. BONDING can ‘bond’ from 2 to 31 channels at once. The high speed data, which must be a multiple of 56 kbps or 64 kbps, is split after arrival at the DTE interface into the various channels. On the opposite end the data is recombined into the original data stream and sent to the DTE interface.

BONDING ON THE UTA220

 

 

Because the UTA220 supports one ISDN basic rate interface

 

 

(2B+D), two simultaneous calls can be made, allowing an

 

 

effective bandwidth of 112 kbps or 128 kbps. The BONDING

 

 

call can be made from port 1 or port 2. Table 10-1 lists

 

 

BONDING call options.

 

Table 10-1: BONDING Options

 

 

 

Option

 

Select

 

 

 

CONFIGURATION /

 

Bond

PORT /

 

 

PROTOCOL

 

 

 

 

 

CONFIGURATION /

 

Set to 2 in order to request a 112 kbps or 128 kbps call.

PORT /

 

Set to 1 in order to request a 56 kbps or 64 kbps call.

 

 

BONDING OPTIONS /

 

Note: To run 56 kbps or 64 kbps, it is simpler to use

RATE MULTIPLR

 

 

clear channel transfer (select PROTOCOL: NONE). If

 

 

you request a rate multiplier of one, it will negotiate

 

 

parameters according to the BONDING specification

 

 

at the start of the call and then switch to a 56 kbps or

 

 

64 kbps clear channel call.

 

 

 

CONFIGURATION /

 

This option is needed only for AT&T 5E5/5E6 lines. If

PORT /

 

configured for multiple call references, set port 1 to 1

 

and port 2 to 2. This will cause the second call to use

BONDING OPTIONS /

 

 

the same directory number as the first. If the line is not

SEC CALL PORT

 

 

configured for multiple call references and the BOND-

 

 

ING call is being placed on port 1, set both port 1 and

 

 

port 2 to 2 (this is the default). If placing the BONDING

 

 

call on port 2, set both port 1 and port 2 to 1. This will

 

 

cause both directory numbers to be used for the two

 

 

channel BONDING call.

 

 

 

UTA220/UTA220k

10-1

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Image 73
Northern UTA220/UTA220k manual Bonding on the UTA220, Option Select