Contents v
About autobaud ................................................................... 6-10
Using the analog device ports............................................... 6-11
Receiving analog calls.......................................................... 6-12
Call routing to the analog device ports................................ 6-13
Receiving data calls ............................................................. 6-16
Chapter 7 — Troubleshooting .................................................7-1
Netopia ISDN Modem LEDs..................................................... 7-2
Troubleshooting tips............................................................... 7-4
Downloading firmware to your ISDN modem ............................. 7-8
From a PC .......................................................................... 7-8
From a Macintosh computer............................................... 7-10
Appendix A — Modem Operation ............................................A-1
Modem basics....................................................................... A-2
Operating modes................................................................. A-2
The AT command set........................................................... A-3
Using the modem................................................................ A-5
Modem command summaries................................................. A-8
AT commands..................................................................... A-8
S registers........................................................................ A-11
ISDN modem result codes................................................. A-17
Appendix B — ISDN Events ....................................................B-1
ISDN event cause codes...................................................... B-2
Appendix C — Technical Specifications ..................................C-1
RS-232-D pin assignments................................................... C-3
PC serial cable pin assignments........................................... C-4
Macintosh DIN-8 pin assignments........................................ C-5
Regulatory notices .............................................................. C-6
Appendix D — About the COM Port Accelerator ......................D-1
Installation............................................................................ D-2