PARADYNE CORPORATION
COMSPHERE 3810PLUS
COMSPHERE 3820PLUS
|
Modem Type |
Data (synchronous/asynchronous) |
|
Maximum Data Rate |
28.8Kbps |
|
Data Bus |
External |
|
Data Modulation Protocol |
AT&T V.32terbo, V.34, Point to Point diagnostic, Trellis Multipoint Bell 103A/212A ITU-T V.21, V.22, V.22bis, V23, V.27bis, V.27ter, V.29, V.32, V.33, V.32bis, V.34 |
|
Error Correction/Compression |
MNP5, V.42, V.42bis |

|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Switched line |
CN1 |
Power switch |
SW1 |
|
Leased line |
CN2 |
Scroll left |
CN6 |
|
RS-232/422 |
CN3 |
Scroll right |
CN7 |
|
DC power |
CN4 |
Go up one level |
CN8 |
|
Network Management (proprietary) |
CN5 |
Go to top level |
CN9 |
|
DIAGNOSTIC LED(S) | |||
|
LED |
Color |
Status |
Condition |
|
PWR |
Green |
On |
Power is on |
|
PWR |
Green |
Off |
Power is off |
|
ALRM |
Red |
Blinking |
Major alarm detected in a remote 392x series modem |
|
ALRM |
Red |
Off |
Normal operation |
|
DIAG |
Green |
On |
Modem is receiving diagnostic messages |
|
DIAG |
Green |
Off |
Modem is not receiving diagnostic messages |
|
DTR/108 |
Green |
On |
DTR signal is high |
|
DTR/108 |
Green |
Off |
DTR signal is low |
|
RTS/105 |
Green |
On |
RTS signal is high |
|
RTS/105 |
Green |
Off |
RTS signal is low |
|
CTS/106 |
Green |
On |
CTS signal is high |
|
CTS/106 |
Green |
Off |
CTS signal is low |
|
TXD/103 |
Green |
On |
Modem is receiving data from DTE |
|
TXD/103 |
Green |
Off |
Modem is not receiving data from DTE |
|
LSD/109 |
Green |
On |
Carrier signal detected |
|
LSD/109 |
Green |
Off |
Carrier signal not detected |
|
RXD/104 |
Green |
On |
Modem is transmitting data to DTE |
|
RXD/104 |
Green |
Off |
Modem is not transmitting data to DTE |
|
SQ |
Yellow |
Blinking |
Line signal is degraded or data path is being blocked |
|
SQ |
Yellow |
Off |
Normal operation |
|
TEST/142 |
Yellow |
On |
Test connection established |
|
TEST/142 |
Yellow |
Blinking |
Modem is upgrading firmware |
|
TEST/142 |
Yellow |
Off |
No test connection established |
|
RATE |
Yellow |
On |
Modem is connected at less than configured speed |
|
RATE |
Yellow |
Off |
Modem is connected at configured speed |
|
DIAL |
Yellow |
On |
Modem is establishing a switched line connection |
|
DIAL |
Yellow |
Blinking |
Switched line connection established |
|
DIAL |
Yellow |
Off |
No switched line connection |
Proprietary AT Command Set
|
ANTISTREAMING | |
|
Type: |
Register |
|
Format: |
AT [cmds] S72=n [cmds] |
|
Example: |
AT S72=0 &W <CR> |
|
Description: |
Selects antistreaming option |
|
í Command |
Function |
|
í 72=0 |
Disabled |
|
í S72=1 |
10 seconds |
|
í S72=2 |
30 seconds |
|
í S72=3 |
1 minute |
|
í S72=4 |
2 minutes |
|
í S72=5 |
3 minutes |
|
í S72=6 |
5 minutes |
|
AT COMMAND RESPONSE | |
|
Type: |
Register |
|
Format: |
AT [cmds] S84=n [cmds] |
|
Example: |
AT S84=0 &W <CR> |
|
Description: |
Sets the response to AT commands. |
|
í Command |
Function |
|
í S84=0 |
Normal operation |
|
í S84=1 |
Execute valid commands, suppress error codes. |
|
í S84=2 |
Ignore configuration commands, always return OK error code. |
|
AUTO BAUD | |
|
Type: |
Register |
|
Format: |
AT [cmds] S78=n [cmds] |
|
Example: |
AT S78=0 &W <CR> |
|
Description: |
Allows modem to connect at remote modem’s modulation. |
|
í Command |
Function |
|
í S78=0 |
Auto baud enabled. |
|
í S78=1 |
Auto baud disabled. |
|
AUTO-RELIABLE FALLBACK CHARACTER | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] %An [cmds] |
|
Example: |
AT%A20 <CR> |
|
Default: |
15 |
|
Range: |
0-127 |
|
Unit: |
ASCII |
|
Description: |
Sets the character used as the auto-reliable fallback character. %A0 will disable this function. |
|
AUTO-RELIABLE TIME BUFFER CONFIGURATION | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Cn [cmds] |
|
Example: |
AT \C1 &W <CR> |
|
Description: |
Controls the handling of incoming data during auto-reliable time period. |
|
í Command |
Function |
|
í \CO |
Data is discarded. |
|
í \C1 |
Data is buffered. |
|
í \C2 |
Data is discarded, resets to \C1 on receipt of autoreliable fallback character. |
|
BREAK TYPE | |
|
Type: |
Configuration |
|
Format: |
AT [cmds] \Kn [cmds] |
|
Example: |
AT \K5 &W <CR> |
|
Description: |
Selects response to DTE break command. |
|
í Command |
Function |
|
í \K0 |
Send break, clear buffer, enter command mode. |
|
í \K1 |
Send break, clear buffer |
|
í \K2 |
Send break, send data, enter command mode. |
|
í \K3 |
Send break. send data, |
|
í \K4 |
Send data, send break, enter command mode. |
|
í \K5 | |