ADTRAN ISU 128 - Manual (Page 125)

Appendix D. S-Register List
110 ISU 128 User Manual 61202.029L2-1
S36 ERROR Sets the type of error control to be negotiated with
CORRECTION the far-end modem.
0 = Normal operation no error control. Allows speed
matching, buffering, and flow control.
1 = Direct error control, no error control. Does not allow
the terminal and ISU 128 to operate at different
speeds or use flow control.
2 = Reliable MNP error control. If the far end does
not use MNP error control then the call is ended.
3 = Auto-reliable MNP error control . The ISU 128
attempts to use MNP error control. If the far end
does not use MNP, then normal operation is used.
4 = Force LAPM. Force the modem to connect only
if V.42 (LAPM) error correct can be used.
5 = Force MNP. Force the modem to connect only if
MNP 2-4 error correction can be used.
S37 V34 Enables compression in the V.34 modem.
COMPRESSION 0 = No compression
1 = MNP5 compression
2 = V42 compression
3 = MNPS or V42 compression
S38 V34 BLOCK SIZE Sets the amount of data sent in a single packet during
MNP error controlled stream operation.
0 = Block size of 64 bytes
1 = Block size of 128 bytes
2 = Block size of 192 bytes
3 = Block size of 256 bytes
S40 BOND TXINIT Specifies the number of seconds the originating endpoint
attempts to detect the BONDING negotiation pattern
from the answering endpoint before deciding the
BONDING call has failed.
Range = 0 to 255, 10 sec is default
S41 BOND TXFA Specifies the number of seconds both endpoints attempt
to detect the BONDING frame pattern when a call is
connected before deciding the BONDING call has failed.
When operating with other manufacturers' BONDING
equipment, it may be necessary to lengthen this timer so
that it matches TXADD01.
Range = 0 to 255, 10 sec is default