3Com Courier Reference page 9

Configuring the Courier V.Everything M
Dialing Using V.2
Hanging U p16-7
Returning to Asynchronou
Synchronous Dialing Using AT Com
Configuring the Courier V.Everything M
Dialin g16-
Hanging Up16-10
Auto-Dialing 1 6-10
Configuring the Courier V.Everything M
T
ROUBLESHOOTING
Problems That Occur Before Connect
No response to AT
The Courier V.Everything modem won't
Double characters are appearing on your
After you dial, the Courier V.Everything modem reports NO CARRIER and
then hangs up
Hear ringing but the Courier V.Everything modem won't an
The Courier V.Everything modem acts as though a data link has been
established, but no call was receive
The Courier V.Everything modem behaves as if Enter were pressed when
you don't press any keys
Problems that Occur After Connect
Your screen displays random or "garbage" chara
Many CRC errors
Mainframe computer keeps dropping your conne
Bad faxes or can't fa
Both devices exchange carrier signals, but fail to establish a
communications l
Errors during software downl
If You Still Have Problems17-7
S-R
EGISTERS
Understanding Bit-Mapped S-Regi
How bits are mapped to decimal value
Converting Bits to Decimal Val
5bis16-7
s Mode16-7
mands16-8
ing17-1
17-
17-3
d,17-3
17-3
ing17-4
1 7-4
x17-5
ink17-
oad17-7
stersA-1
sA-1
uesA-2
odem16-4
odem16-8
odem16-10
dial17-
monitor17-3
swer17-
cters17-4
ction17-5