Control Microsystems 5901 - Page 4

5901 High Speed Dialup Modem Hardware Manual
October 19, 2007
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5.3 Operation with Non-Programmable Controllers ...................................... 21
6 MAINTENANCE ........................................................................................... 22
7 TROUBLESHOOTING ................................................................................. 23
8 SPECIFICATIONS ....................................................................................... 24
9 APPROVALS AND CERTIFICATIONS ....................................................... 25
10 AT COMMAND GUIDELINES ...................................................................... 26
10.1 AT Command Format ............................................................................. 26
10.1.1 DTE Speed Auto Detect .................................................................... 26
10.1.2 Escape Code Sequence .................................................................... 27
10.2 AT Command Set ................................................................................... 27
10.2.1 A/ - Repeating a Command Line ....................................................... 27
10.2.2 AT - Read/Write S Parameter ........................................................... 27
10.2.3 A - Answer ......................................................................................... 28
10.2.4 Bn - CCITT or Bell ............................................................................. 28
10.2.5 Dn - Dial ............................................................................................ 28
10.2.6 Dial Modifiers ..................................................................................... 29
10.2.7 En - Command Echo ......................................................................... 30
10.2.8 Hn - Disconnect (Hang-Up) ............................................................... 30
10.2.9 In - Identification ................................................................................ 30
10.2.10 L – Speaker Volume .......................................................................... 31
10.2.11 M – Speaker Control ......................................................................... 32
10.2.12 On - Return to On-Line Data Mode ................................................... 32
10.2.13 P - Set Pulse Dial Default .................................................................. 32
10.2.14 Qn - Quiet Results Codes Control ..................................................... 33
10.2.15 Sn - Read/Write S-Register ............................................................... 33
10.2.16 T - Set Tone Dial Default ................................................................... 33
10.2.17 Vn - Result Code Form ...................................................................... 34
10.2.18 Wn - Connect Message Control ........................................................ 34
10.2.19 Xn - Extended Result Codes ............................................................. 34
10.2.20 Zn - Soft Reset and Restore Profile .................................................. 35
10.3 AT& Command Set ................................................................................. 35
10.3.1 &Cn - RLSD (DCD) Option ................................................................ 35
10.3.2 &Dn - DTR Option ............................................................................. 36