Maxim Integrated 73M1822/73M1922 Modem CTL Application - Manual (Page 3)

UG_1x22_056 73M1822/73M1922 Modem CTL Application User Guide
Rev. 1.0 3
Table of Contents
1 Introduction ................................................................................................................................... 5
1.1 Modem CTL User Space Application ........................................................................................ 5
1.2 Modem CTL Command Summary ............................................................................................ 6
2 Command Descriptions ................................................................................................................. 7
2.1 Help Command ........................................................................................................................ 7
2.2 1x22 Hardware Register Access .............................................................................................. 8
2.2.1 Register Read Commands ............................................................................................ 8
2.2.2 Register Write Command .............................................................................................. 9
2.3 Answering of Incoming Calls .................................................................................................... 9
2.3.1 Auto Answer Setting Command..................................................................................... 9
2.3.2 Answer Command ...................................................................................................... 10
2.4 Set Active Channel Command ............................................................................................... 10
2.5 Dial Commands ..................................................................................................................... 11
2.6 Exit Command ....................................................................................................................... 12
2.7 Hook Switch Operation .......................................................................................................... 12
2.7.1 Off-Hook Command .................................................................................................... 12
2.7.2 On-Hook Command .................................................................................................... 13
2.8 Line Status and Monitor ......................................................................................................... 13
2.8.1 IET Setting Command ................................................................................................. 14
2.8.2 Measure Command .................................................................................................... 15
2.9 GPIO Management ................................................................................................................ 16
2.9.1 GPIO Config Command .............................................................................................. 16
2.9.2 GPIO Data Command ................................................................................................. 17
2.9.3 GPIO Control Command ............................................................................................. 17
2.10 Loopback Management .......................................................................................................... 18
2.10.1 Loopback Set Command ............................................................................................. 18
2.10.2 Loopback Clear Command .......................................................................................... 18
2.10.3 Loopback Get Command ............................................................................................ 18
2.11 Billing Tone Filter Commands ................................................................................................ 19
2.12 Threshold Override Commands.............................................................................................. 19
3 Related Documentation ............................................................................................................... 20
4 Contact Information ..................................................................................................................... 20
Revision History .................................................................................................................................. 21