|
|
COMSPHERE 3820
PARADYNE CORPORATION
COMSPHERE 3820
|
Modem Type
|
Data (synchronous/asynchronous)/Fax
|
|
Maximum Data Rate
|
19.2Kbps
|
|
Maximum Fax Rate
|
14.4Kbps
|
|
Data Bus
|
External
|
|
Fax Class
|
Class I & II
|
|
Data Modulation Protocol
|
AT&T V.32terbo
Bell 103A/212A
ITU-T V.21, V.22, V.22bis, V.32, V.32bis
|
|
Fax Modulation Protocol
|
ITU-T V.17, V27ter, V.29 (optional)
|
|
Error Correction/Compression
|
MNP5, V.42, V.42bis
|

|
CONNECTIONS
|
|
Purpose
|
Location
|
Purpose
|
Location
|
|
Line out
|
CN1
|
Scroll left on LCD
|
CN6
|
|
Line in
|
CN2
|
Scroll right on LCD
|
CN7
|
|
RS-232/422
|
CN3
|
Up one level on LCD
|
CN8
|
|
DC power
|
CN4
|
Go to top level on LCD
|
CN9
|
|
Network Management System
|
CN5
|
Power switch
|
SW1
|
|
DIAGNOSTIC LED(S)
|
|
LED
|
Color
|
Status
|
Condition
|
|
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 transmitting data
|
|
TXD/103
|
Green
|
Off
|
Modem is not transmitting data
|
|
LSD/109
|
Green
|
On
|
Carrier signal detected
|
|
LSD/109
|
Green
|
Off
|
Carrier signal not detected
|
|
RXD/104
|
Green
|
On
|
Modem is receiving data
|
|
RXD/104
|
Green
|
Off
|
Modem is not receiving data
|
|
SQ
|
Yellow
|
On
|
Incoming signal is degraded
|
|
SQ
|
Yellow
|
Off
|
Normal operation
|
Proprietary AT Command Set
See PARADYNE CORPORATION, COMSHPERE 3810 for a full command summary.
|