IBM CORPORATION
EASY OPTIONS 14.4KBPS EXTERNAL MODEM MOD536
| Card Type | Fax, Modem (asynchronous/synchronous) |
| Chip Set | Unidentified |
| Maximum Data Rate | 14.4Kbps |
| Maximum Fax Rate | 14.4Kbps |
| Data Bus | External |
| Fax Class | Class I |
| Data Modulation Protocol | Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis |
| Fax Modulation Protocol | ITU-T V.17, V.21CH2, V.27ter, V.29 |
| Error Correction/Compression | MNP5, V.42bis |
CONNECTIONS |
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Function |
Label |
Function |
Label |
| DC power | CN1 |
Line in | CN4 |
| RS-232/422 | CN2 |
Power switch | SW1 |
| Line out | CN3 |
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DIAGNOSTIC LED(S) |
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LED |
Color |
Status |
Condition |
TM |
Red |
On |
Modem is in test mode |
TM |
Red |
Off |
Modem is not in test mode |
TM |
Red |
Blinking |
Error detected in test mode |
AA |
Red |
On |
Auto-answer enabled |
AA |
Red |
Off |
Auto-answer disabled |
HS |
Red |
On |
Modem is operating at 4800bps or faster |
HS |
Red |
Off |
Modem is operating at slower than 4800bps |
OH |
Red |
On |
Modem is off-hook |
OH |
Red |
Off |
Modem is on-hook |
SD |
Red |
On |
Modem is transmitting data |
SD |
Red |
Off |
Modem is not transmitting data |
RD |
Red |
On |
Modem is receiving data |
RD |
Red |
Off |
Modem is not receiving data |
TR |
Red |
On |
DTR signal is high |
TR |
Red |
Off |
DTR signal is low |
CD |
Red |
On |
Carrier signal detected |
CD |
Red |
Off |
Carrier signal not detected |
Proprietary AT Command Set
See document IBM CORPORATION, MOD531 9600/2400 FAX/DATA for a full command summary.