Contents:

Connecting to your ISP

Using the AT Command Set

Upgrading your Modem

Modes of Operation

Dialing, Answering, and Hanging Up

Working with Memory

Controlling Result Code Displays

Controlling EIA-232 Signaling

Accessing and Configuring the Courier 56K Corporate Modem Remotely

Controlling Data Rates

Dial Security

Flow Control

Handshaking, Error Control, Data Compression, and Throughput

Displaying Querying and Help Screens

Testing the Connection

Dedicated/Lease Line and Synchronous Applications

Troubleshooting

Appendixes

S-Registers

Alphabetic Command Summary

Flow Control Template

Result Code Meanings and Sets

Technical Information

V.25 bis Reference

ASCII Chart

Fax Information for Programmers

Viewing LEDs

Regulatory Information

Glossary

Courier 56K Corporate Modem Command Reference

Result Code Meanings and Sets

Result Code Meanings

Result Code
Meaning
0/OK Command has been executed.
1/CONNECT Connection with another device.
2/RING Incoming ring detected.
3/NO CARRIER Carrier Detect has failed, or carrier has been dropped due to disconnect.
4/ERROR Command is invalid.
5/CONNECT 1200 Connection at reported rate. Same meaning for results of 2400 (10), 4800 (18), 7200 (20), 9600 (13), 12000 (21), 14400 (25), 16800 (43), 19200 (85), 21600 (91), 24000 (99), 26400 (103), 28800 (107), 31200 (151), 33600 (155), 56000 (162), or 64000 (165) bps.
6/NO DIAL TONE Dial tone not detected during the default 2 seconds, set in Register S6.
7/BUSY Busy signal detect; modem hangs up.
8/NO ANSWER After waiting 5 seconds for an answer, modem hangs up; returned instead of NO CARRIER when the @ option is used.
11/RINGING The modem has dialed; remote phone line is ringing.
12/VOICE Voice answer at remote site; modem hangs up.
170/RING A Incoming distinctive ring detected.
171/RING B Incoming distinctive ring detected.
172/RING C Incoming distinctive ring detected.
173/RING D Incoming distinctive ring detected.
174/RING E Incoming distinctive ring detected.
Wait for another Dial Tone (W) Courier 56K Corporate modem continues dialing as soon as it detects another dial tone. Requires X3 or higher.
Wait for an answer (@) Courier 56K Corporate modem continues dialing when it detects 5 seconds of silence on the line. Requires X3 or higher.

 


Result Codes Sets for Xn Values

Result Codes
X0
X1
X2
X3
X4
X5
X6
X7
0/OK
x
x
x
x
x
x
x
x
1/CONNECT
x
x
x
x
x
x
x
x
2/RING
x
x
x
x
x
x
x
x
3/NO CARRIER
x
x
x
x
x
x
x
x
4/ERROR
x
x
x
x
x
x
x
x
5/CONNECT 1200
x
x
x
x
x
x
x
6/NO DIAL TONE
x
x
x
x
7/BUSY
x
x
x
x
x
8/NO ANSWER
x
x
x
x
x
10/CONNECT 2400
x
x
x
x
x
x
x
11/RINGING
x
x
x
12/VOICE
x
x
13/CONNECT 9600
x
x
x
x
x
x
x
18/CONNECT 4800
x
x
x
x
x
x
x
20/CONNECT 7200
x
x
x
x
x
x
x
21/CONNECT 12000
x
x
x
x
x
x
x
25/CONNECT 14400
x
x
x
x
x
x
x
43/CONNECT 16800
x
x
x
x
x
x
x
85/CONNECT 19200
x
x
x
x
x
x
x
91/CONNECT 21600
x
x
x
x
x
x
x
99/CONNECT 24000
x
x
x
x
x
x
x
103/CONNECT 26400
x
x
x
x
x
x
x
107/CONNECT 28800
x
x
x
x
x
x
x
151/CONNECT 31200
x
x
x
x
x
x
x
155/CONNECT 33600
x
x
x
x
x
x
x
170/RING A
x
x
x
x
x
x
x
171/RING B
x
x
x
x
x
x
x
172/RING C
x
x
x
x
x
x
x
173/RING D
x
x
x
x
x
x
x
174/RING E
x
x
x
x
x
x
x
Functions
Wait for 2nd Dial Tone (W)
x
x
x
x
x
Wait for Answer (@)
x
x
x
x
x

 

 

New Connect Messages

The table below includes all new connect messages.

Message
#
  
Message
#
28000
256
60000/V90
324
28000/ARQ
257
60000/ARQ/V90
325
28000/V90
258
61333
326
28000/ARQ/V90
259
61333/ARQ
327
29333
260
61333/V90
328
29333/ARQ
261
61333/ARQ/V90
329
29333/V90
262
62666
330
29333/ARQ/V90
263
62666/ARQ
331
30666
264
62666/V90
332
30666/ARQ
265
62666/ARQ/V90
333
30666/V90
266
64000/V90
334
30666/ARQ/V90
267
64000/ARQ/V90
335
32000
268
 25333
336
32000/ARQ
269
 25333/ARQ
337
32000/V90
270
 26666
338
32000/ARQ/V90
271
 26666/ARQ
339
34666
272
 31666
340
34666/ARQ
273
 31666/ARQ
341
34666/V90
274
 24000/V92
342
34666/ARQ/V90
275
 24000/ARQ/V92
343
36000
276
 25333/V92
344
36000/ARQ
277
 25333/ARQ/V92
345
36000/V90
278
 26666/V92
346
36000/ARQ/V90
279
 26666/ARQ/V92
347
38666
280
 28000/V92
348
38666/ARQ
281
 28000/ARQ/V92
349
38666/V90
282
 29333/V92
350
53333/V90
310
 29333/ARQ/V92
351
53333/ARQ/V90
311
 30666/V92
352
54666/V90
312
 30666/ARQ/V92
353
54666/ARQ/V90
313
 32000/V92
354
56000/V90
314
 32000/ARQ/V92
355
56000/ARQ/V90
315
 33333/V92
356
57333/V90
316
 33333/ARQ/V92
357
57333/ARQ/V90
317
 34666/V92
358
58666
318
 34666/ARQ/V92
359
58666/ARQ
319
 36000/V92
360
58666/V90
320
 36000/ARQ/V92
361
58666/ARQ/V90
321
 37333/V92
362
60000
322
 37333/ARQ/V92
363
38666/ARQ/V90
283
   38666/V92
364
40000
284
   38666/ARQ/V92
365
40000/ARQ
285
   40000/V92
366
40000/V90
286
   40000/ARQ/V92
367
40000/ARQ/V90
287
   41333/V92
368
33333/V90
288
   41333/ARQ/V92
369
33333/ARQ/V90
289
   42666/V92
370
37333/V90
290
   42666/ARQ/V92
371
37333/ARQ/V90
291
   44000/V92
372
41333/V90
292
   44000/ARQ/V92
373
41333/ARQ/V90
293
   45333/V92
374
42666/V90
294
   45333/ARQ/V92
375
42666/ARQ/V90
295
   46666/V92
376
44000/V90
296
   46666/ARQ/V92
377
44000/ARQ/V90
297
   48000/V92
378
45333/V90
298
   48000/ARQ/V92
379
45333/ARQ/V90
299
   49333/V92
380
46666/V90
300
   49333/ARQ/V92
381
46666/ARQ/V90
301
   50666/V92
382
48000/V90
302
   50666/ARQ/V92
383
48000/ARQ/V90
303
   52000/V92
384
49333/V90
304
   52000/ARQ/V92
385
49333/ARQ/V90
305
   53333/V92
386
50666/V90
306
   53333/ARQ/V92
387
50666/ARQ/V90
307
   54666/V92
388
52000/V90
308
   54666/ARQ/V92
389
52000/ARQ/V90
309
   56000/V92
390
60000/ARQ
323
   56000/ARQ/V92
391