COMSPHERE 3820 modem/telephone/ISDN Settings and Configuration
AT&T PARADYNE
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 document V1461 for a full command summary.
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