Multi Tech Equipment MTA128ST Manual de usuario descargar pdf (Pagina 40)

PPP/MLPPP

for a relatively long period of time (long Low Threshold Sampling Period [S62] with a small Low

Throughput Threshold [S63]).

• If data transmits or is received in bursts and the TA adds and removes a channel too quickly,

increase the High Threshold Sampling Period (S60) and the Low Threshold Sampling Period (S62) and

– decrease the Low Throughput Threshold (S63).

Call Bumping (S-register S64)

• Call Bumping is not available to the host TA if Dynamic Bandwidth Allocation is disabled (S59=0) or if

the Dynamic Bandwidth Allocation scheme is PPP (S59=2).

• If the analog device goes off-hook or there is an indication of an incoming analog call and both B-

channels are in use by a data call, the TA drops the second B-channel and rings the analog device.

• If the analog device goes on-hook or the peer disconnects the analog call, the TA adds the second B-channel

again according to whether BOD is enabled or disabled (S60). If BOD is disabled (S60=0), the second

channel is added immediately. If BOD is enabled (S60 is non-zero), the second channel is added after the

High Threshold Sampling Period (S60) and High Throughput Threshold (S61) determine whether

throughput is high enough to allow adding the second channel.

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Multi Tech Equipment MTA128ST Manual de usuario Pagina 40