Digi 90031300 manual Contents

Physical Specifications	79
T1 Modem Bank Power Cord Specifications	79
T1 Modem Bank Environmental Requirements	80
T1 Modem Bank Rack Specifications	80
Standalone Unit Specifications	80
Rack Specifications	80
4U 19 Inch Rack System	80
4U 24 Inch Rack System	80
Daisy Chain Cables	81
Terminator Plug	81
T1 Loop Back Plug	81
T1 Modem Bank Certification	82
Glossary	83
Appendix A — Memory Conflicts	..............................85
Contention for Memory Addresses	85
ISA Host Adapters	87
Conflicts Between 8-Bit and 16-bit Memory Devices	87
EISA Host Adapters	88
Appendix B — Transmission Modes	............................89
Appendix C — Terminal Port Cable	..............................91
Appendix D — Specifications and Wiring Pin Diagrams	.................92
Line Card Connector	92
Connector for Sync Channels	93
Terminal Port	93
Appendix E — Generic T1 Modem Bank Wiring Modes	.............94
Eight-Wire Direct Wiring	94
Four-Wire Direct Wiring	95
Restrictions on Daisy Chain Cable Lengths	96
Eight-Wire Synchronous Modem Wiring	97
Appendix F — Modem AT Command Set	......................99
Basic AT Commands	99
AT& (Ampersand) Commands	105
AT% (Percent) Commands	111
AT\ (Backslash) Commands	112
AT- (Dash) Commands	116
AT" (Quote) Commands	117
Class 1 FAX Commands	118
Class 2 FAX Commands	120
Class 2 FAX Responses	127
S Registers	128
S Register Definitions	129
Result Codes	143
Display Format Options	143
Extended Message Options	144
Negotiation Progress Messages	146
Index	149

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