Chapter 5 - Commands
5.1 Introduction .......................................................................................... 5-1
5.2 Command Description ......................................................................... 5-5
5.2.1 General Commands ................................................................ 5-5
5.2.2 Channel Parameter Commands .............................................. 5-9
5.2.3 Composite Link Speed and Clocking Commands ................... 5-16
5.2.4 Additional Composite Link Commands ................................... 5-18
5.2.5 Voice/Fax Commands ............................................................. 5-21
5.2.6 Test Commands ...................................................................... 5-26
5.2.7 Command Modem Commands ............................................... 5-28
Chapter 6 - Operating Procedures
6.1 Introduction .......................................................................................... 6-1
6.2 MultiMux Operating Procedures .......................................................... 6-1
6.3 Voice/FaxOperating Procedures.......................................................... 6-5
6.4 Command Modem Operating Procedures ...........................................6-7
Chapter 7 - Troubleshooting
7.1 Introduction .......................................................................................... 7-1
7.2 Importance of Composite Statistics ..................................................... 7-1
7.3 Test Cables.......................................................................................... 7-2
7.4 Troubleshooting Guide ........................................................................ 7-3
7.5 Channel Device Testing....................................................................... 7-11
7.6 DSU and Communications Line Testing. .............................................7-12
7.7 MultiMux Functional Testing Procedures............................................. 7-13
7.8 Voice/Fax Channel Testing.................................................................. 7-14
7.9 Sync Data Channel Testing .................................................................7-16
Chapter 8 - Service, Warranty and Tech Support
8.1 Introduction .......................................................................................... 8-1
8.2 Limited Warranty.................................................................... ..............8-1
8.3 Tech Support ....................................................................................... 8-2
Appendices
Appendix A ASCII Character Code/Hex/Decimal Conversion Chart ........... A-1
Appendix B RS232C Interface Specification ............................................. B-1
Appendix C Cabling Diagrams ................................................................... C-1
Appendix D Command Modem Commands ............................................... D-1
Appendix E Command Modem S-Register Functions ...............................E-1
Appendix F Flow Control Background .......................................................F-1
Figures
1-1 MultiMux MMV1600 Series.................................................................. 1-1
1-2 Simple Communications Network........................................................ 1-3
1-3 MultiMux MMV1600/3200 Series Block Diagram ................................ 1-7
2-1 Configuration 1 .................................................................................... 2-2
2-2 Configuration 2 .................................................................................... 2-4
2-3 Configuration 3 .................................................................................... 2-5
2-4 Configuration 4 (FXO to FXS).............................................................. 2-8
2-5 Configuration 5 (E&M I-V).................................................................... 2-11
2-6 Configuration 6 (FXS to FXS) ..............................................................2-13
2-7 Configuration 7 (E&M I-V to FXS)........................................................ 2-15
2-8 Configuraiton 8 (LAN to LAN) ..............................................................2-17
3-1 MultiMux Front Panel........................................................................... 3-1
3-2 Back Panel........................................................................................... 3-5
3-3 Switches and Shunts ...........................................................................3-9
3-4 RS232C/V.35 Shunts........................................................................... 3-11
4-1 Back Panel........................................................................................... 4-2
4-2 Composite Link Cabling....................................................................... 4-4
4-3 PC Board Removal.............................................................................. 4-5
4-4 Shunts.................................................................................................. 4-5
7-1 Off Line Test Modes............................................................................. 7-2