User's Guide
Table Of Contents
- Table of Contents
- About This Document
- 1. Introduction
- 2. Installation
- 3. Configuration and Operation
- 4. Troubleshooting
- A. AT Command Set
- B. Dial Modifiers
- C. S-Registers
- D. Isolating Problems Using Loopback Data Tests
- E. Quick-Reference Summaries
- Glossary
- Index

8400B Plus Data Module User’s Guide
555-020-709
Issue 2
November 1996
Troubleshooting
4-7
How to Use This Chapter
Dialing begins
before the second
dial tone is heard.
Incorrect dialing
pause.
Insert a comma in the telephone
number after the 9 (digit used for calls
outside the PBX).
ATDP9,555-1212
If the problem persists, insert another
comma for a second pause.
ATDP9,,555-1212
and try again.
Check your PC communications
package to make sure the commas are
sent to the 8400B Plus Data Module
along with the digits.
The 8400B Plus
Data Module does
not pause when a
comma is inserted in
a telephone number
for a voice dial call.
The comma delay
is set to 0 (zero).
Check your PC communications
package to make sure a comma is a
valid character. Type
ATS8=2
to set the pause to 2 seconds.
Table 4-1. Troubleshooting Guidelines
Symptom Problem Solution
ENTER
ENTER
ENTER
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