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Helmholz Modem 56k 4.1
83
2: V42bis
(
AT%C2
)
3: MNP5 or V.42bis
(
AT%C3
)
Bit 2
Auto retrain
Auto retrain control
0: No auto retrain
(
AT%E0
)
1: Auto retrain
(
AT%E1
)
Bit 3
Reserved
Bit 4
Reserved
Bit 5
Reserved
Bit 6
Fall back/fall forward
FB/FF control
0: No FB/FF
1: FB/FF
(
AT%E2
)
Bit 7
Reserved
S46*
V.42bis Data Compression
S46=136 No data compression
S46=138 V.42bis data compression on
S48*
V.42bis Connection setup protocol
S48=0
Only LAPM connection possible
S48=7
LAPM or MNP 4 connection
S48=128 Connection protocol as laid down in S36
S86
Error event code
When a connection fails
(NO CARRIER)
, an event code is written into this registry.
S86=0 Normal
disconnect, no error
S86=4 Carrier
lost
S86=5
No establishing of an error-corrected (V.42) connection
S86=6
No extensions could be negotiated
S86=7
Remote terminal only supports synchronous modems
S86=8
No joint framing detected
S86=9
No protocol could be established
S86=10
Invalid answer when negotiating extensions
S86=11
No synchronous marks received from remote terminal
S86=12 Normal
disconnection by remote terminal
S86=13
Remote terminal didn’t respond any more (ten attempts)
S86=14 Protocol
error
S86=15 DTR
drop
S86=16
Remote terminal demanded cleardown (GSTN cleardown)
S86=17
Inactivity timer expired
S86=18
Desired speed is not supported
S86=19
Long space disconnect
S86=20
Key abort (character was sent during connection setup)
Содержание 700-751-HSM11
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