ADTRAN XRT - Manual (Page 72)

Appendix A. AT Commands and S-Registers
60 Express XR/XRT Quick Start Guide 61200.153L1-13
S42 ... BOND .................. The number of seconds both endpoints wait for
TXADD01 the additional call to be connected at the end of
negotiation before deciding the async BOND-
ING 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 attempt
to equalize the network delay between 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 endpoint
attempts to detect the Async BONDING negotia-
tion pattern from the originating endpoint
before aborting to clear channel mode. It may
be necessary to shorten this timer if the DTE
equipment connected to the Express XR/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 attempt
to negotiate agreeable values for bearer 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 service.
0 = AT&T 5ESS
1 = Northern Telecom DMS-100
2 = National ISDN-1
S53 ... CALL TYPE ........ Call type (Dial service only).
0 = Speech
1 = Audio
2 = 56 Kbps data
3 = 64 Kbps data
S54 ... PROTOCOL ....... Rate adaption protocol type.
TYPE 2 = Async BONDING
6 = V.120
11 = FALLBACK
12 = PPP async-to sync conversion