Specifications

Cascade Modem Manual

Page 2

Table of Contents

1. Introduction ................................................................................................... 3

1.1 QuickStart Information ..................................................................................................... 3

1.2 Features ........................................................................................................................... 4

1.3 Status Indicator LED ......................................................................................................... 5

1.4 Installation ....................................................................................................................... 6

2. Modem Functions ........................................................................................... 7

2.1 Jumper Settings ................................................................................................................ 7

2.2 Automatic Speed/Format Sensing ..................................................................................... 8

2.3 Modulation/Demodulation ............................................................................................... 9

2.4 Error Correction/Data Compression ................................................................................. 9

2.5 Non-Volatile RAM (NVRAM) ............................................................................................. 9

2.6 DAA-Telephone Line Interface ........................................................................................ 10

2.7 Modem States................................................................................................................. 10

2.8 RS232 Serial Interface .................................................................................................... 11

2.9 Ring Detect Relay ........................................................................................................... 11

2.10 FCC Part 68 Information ............................................................................................... 12

3. Modem Control ............................................................................................. 13

3.1 AT Command Format ..................................................................................................... 13

3.2 Status Messages & Result Codes ...................................................................................... 14

3.3 Basic AT Commands ....................................................................................................... 16

3.4 S-Register Summary ....................................................................................................... 21

3.5 AT Command Applications ............................................................................................. 23

3.6 Factory Settings & Default States .................................................................................... 24