COURIER HIGH SPEED MODEMS
DATA FORMAT
Binary, serial; defaults to
| Word | Parity | Stop |
|
| Length | (1 Bit) | Bits |
|
| 7 | Even, Odd | 1 |
|
|
| Mark, Space |
|
|
| 7 | None | 2 |
|
| 8 | None | 1 |
|
FRONT PANEL STATUS LIGHTS
HS | High Speed (above 2400 bps) |
AA | Auto Answer/Answer |
CD | Carrier Detect |
OH | Off Hook |
RD | Received Data |
SD | Send Data |
TR | Terminal Ready (DTR) |
MR | Modem Ready/Test mode |
RS | Request to Send |
CS | Clear to Send |
SYN | Synchronous mode |
ARQ/ Error control connection established
FAX Modem in Fax mode
FLOW CONTROL BUFFERS
Transmit Buffer
Error control: 3.25k bytes
Receive Buffer: 2K bytes
COMMAND BUFFER
60 characters, exclusive of AT prefix, Carriage Return and spaces
