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ADTRAN Express XRT User Manual

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Appendix A. AT Commands and S-Registers

66

Express XRT User Guide

61202.153L3-1

S41

BOND TXFA

Specifies the number of seconds both end-
points attempt to detect the async BOND-
ING frame pattern when a call is connected
before deciding the async BONDING call
has failed. When operating with other man-
ufacturer's async BONDING equipment it
may be necessary to lengthen this timer so
that it matches TXADD01.
0 to 255, 10 sec is default.

S42

BOND TXADD

The number of seconds both endpoints wait

for the additional call to be connected at the

end of negotiation before deciding the async

BONDING call has failed. When dialing

overseas it may be necessary to lengthen this

timer to allow for slower call routing.

0 to 255, 50 sec is default

S43

BOND TXDEQ

The number of seconds both endpoints at-

tempt to equalize the network delay be-

tween the bearer channels before deciding

the Async BONDING call has failed.

0 to 255, 50 sec is default

S44

BOND TANULL

The number of seconds the answering end-

point attempts to detect the Async BOND-

ING negotiation pattern from the

originating endpoint before aborting to clear

channel mode. It may be necessary to short-

en this timer if the DTE equipment connect-

ed to the Express XRT also has timer

constraints for completing non-BONDING

parameter negotiation.

0 to 255, 10 sec is default

S45

BOND TCID

The number of seconds both endpoints at-

tempt to negotiate agreeable values for bear-

er channels and channel capacities before

deciding the async BONDING call has

failed.

0 to 255, 5 sec is default

S52

SWITCH TYPE

Selects the network switch type for dial ser-

vice.

0=AT&T 5ESS

1=Northern Telecom DMS-100

2=National ISDN-1

3=NEC

4-EuroISDN