Multitech MultiAccess MULTIACCESS MA30120 User manual

MA30120
User Guide

User Guide
MultiAccess Communications Server
MultiAccess
S000255E Revision E
All rights reserved. This publication may not be reproduced, in whole or in part, without prior expressed
written permission from Multi-Tech Systems, Inc.
Copyright © 2012 by Multi-Tech Systems, Inc.
Multi-Tech Systems, Inc. makes no representations or warranty with respect to the contents hereof and
specifically disclaims any implied warranties of merchantability or fitness for any particular purpose.
Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes
from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person
or organization of such revisions or changes.
Record of Revisions
Revision Date Description
A 11/17/03 Manual released.
B12/06/04 Manual revised to include an appendix on modem commands and
version 1.08 of the MultiAccess software.
C 07/05/05 Manual revised to include software release version 1.12.
D 10/04/06 Manual revised to update AT Commands in Appendix B and includes
software version 1.14.
E09/18/12 Updated RoHS.
Patents
This device covered by one or more of the following patents: 6,031,867; 6,012,113; 6,009,082; 5,864,560;
5,815,503; 5,812,534; 5,790,532; 5,764,628; 5,764,627; 5,754,589; 5,724,356; 5,673,268; 5,673,257;
5,628,030; 5,619,508; 5,617,423; 5,600,649; 5,592,586; 5,577,041; 5,574,725; 5,559,793; 5,546,448;
5,546,395; 5,535,204; 5,500,859; 5,471,470; 5,463,616; 5,453,986; 5,452,289; 5,450,425; 5,309,562;
5,301,274
Trademarks
Trademarks of Multi-Tech Systems, Inc.: Multi-Tech, and Multi-Tech logo.
HylaFAX is a trademark of Silicon Graphics Corporation. Windows is a registered trademark of Microsoft
Corporation in the United States and other countries.
All products or technologies are the trademarks or registered trademarks of their respective holders.
Technical Support
Country By Email By Phone
France: [email protected] +(33) 1-64 61 09 81
India: [e-mail] [phone]
Europe, Asia, Africa: [email protected]k +(44) 118 959 7774
U.S., Canada, all others: [e-mail] [phone] or [phone]
World Headquarters
Multi-Tech Systems, Inc.
2205 Woodale Drive
Mounds View, Minnesota 55112
[phone] or [phone]
Fax [phone]
Internet Address: http://www.multitech.com

Contents
Chapter 1 - Introduction and Description.................................................................................5
WAN Communications ..........................................................................................................5
Management..........................................................................................................................5
Remote Access .....................................................................................................................5
Features ................................................................................................................................6
Ship Kit Contents
...................................................................................................................6
Front Panel
............................................................................................................................7
Back Panel ............................................................................................................................8
Typical Application.................................................................................................................9
Specifications ......................................................................................................................11
Chapter 2 - Installation .............................................................................................................12
Safety Warnings ..................................................................................................................12
Safety Recommendations for Rack Installations .................................................................12
Site Planning .......................................................................................................................13
Hardware Installation Procedure .........................................................................................14
Starting Your MultiAccess ...................................................................................................15
Network Setup
.....................................................................................................................19
Line Interfaces
.....................................................................................................................20
Modem Setup ......................................................................................................................21
User Authentication .............................................................................................................28
Chapter 3 - Software.................................................................................................................32
Home and Logout Options...................................................................................................33
Administration......................................................................................................................35
Networks & Services ...........................................................................................................50
Network Setup
.....................................................................................................................56
DHCP Server
.......................................................................................................................66
Tracking...............................................................................................................................70
Packet Filters.......................................................................................................................71
User Authentication .............................................................................................................75
Modem Setup ......................................................................................................................88
Statistics & Logs
..................................................................................................................98
Line Interfaces
...................................................................................................................117
Chapter 4 - Troubleshooting..................................................................................................129
Chapter 5 - MultiAccess Maintenance ..................................................................................130
Chapter 6- Warranty and Service ..........................................................................................131
Regulatory Compliance .....................................................................................................133
Recording MultiAccess Information ...................................................................................135
Appendix A - License Agreements
........................................................................................136
GNU GENERAL PUBLIC LICENSE ..................................................................................138
Appendix B – Modem Commands.........................................................................................141
“AT” Command Syntax Convention...................................................................................141
“AT” Commands Supported...............................................................................................144
“AT” Commands Accepted with No Effect .........................................................................147

S-Registers........................................................................................................................148
Advanced MultiAccess Modem Commands ......................................................................152
Application Notes
...............................................................................................................159
ASCII Conversion Chart ....................................................................................................161
Appendix C – How to Update.................................................................................................162
Menu Driven: .....................................................................................................................162
Manual Method (via Linux command line):........................................................................162
Appendix D – Waste Electrical and Electronic Equipment (WEEE) Statement.................165
Appendix E – Restriction of the Use of Hazardous Substances (RoHS)...........................166
Glossary...................................................................................................................................167
Index.........................................................................................................................................178

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 5
Chapter 1 - Introduction and
Description
Welcome to Multi-Tech’s new MultiAccess Communications Server, Model MultiAccess. The MultiAccess
Communications Server is a high-performance digital remote access solution for Enterprise LANs and
Intranets or Internet service providers. MultiAccess is a V.92 remote access server (RAS) supporting up to
four T1 line interfaces implementing either RBS or PRI signaling for use in North America or up to four E1
line interfaces implementing PRI signaling for the rest of the world. The MultiAccess Communications Server
uses a web based Graphical User Interface (GUI) for configuration, is a 1U (one-up) rackmountable unit that
contains up to four universal modem ports for dial-in communications.
WAN Communications
MultiAccess ships turnkey for T1/RBS or T1/E1 PRI ISDN and populated with 30 modems on line interface 1
for the basic configuration. Additional modem modules can be added to support up to four T1/E1 line
interfaces. The high-density modems provide V.92/56K dial-up speeds. In addition, they are manageable
from remote locations using platform-independent, industry standard protocols.
Management
MultiAccess includes robust management support allowing a network administrator to securely manage the
devices either through a web browser or at the command line. The browser-based option uses the HTTPS
protocol, also know as SSL (Secure Sockets Layer) to provide 128-bit encryption to secure the management
session. The command line interface is accessible via SSH (Secure Shell) and supports SCP (Secure Copy)
and sftp (Secure File Transfer Protocol) to help provide maintenance support.
SNTP Support. MultiAccess includes an industry standard Simple Network Time Protocol (SNTP) client that
enables it to synchronize its clock with a remote time/clock server on the Internet. This feature is useful for
accounting purposes.
Remote Access
Comprehensive Security. MultiAccess provides an industry standard Radius Server and Radius Client for
authentication and authorization of thousands of user profiles using PAP and CHAP. In addition, it uses
Network Address Translation (NAT) to hide internal, non-routable IP addresses. If a Radius Server does not
exist, one is provided as part of the MultiAccess system. This Radius Server could provide authentication
and authorization information for this and other Radius Clients in use at your site.

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 6
Features
Compact design that supports up to four channelized T1 and/or IDSN PRI interfaces per rack unit
Dial-in scalability for up to 96/120 users
Terminates both analog and digital (ISDN) calls
Client authentication provided through industry standard Radius
V.92 modem-on-hold
V.92 quick connect
V.44 data compression
10/100 Mb Ethernet Lan/Wan connectivity
Simultaneous V.92/56K and 128 BRI ISDN sessions
Industry-standard PPP client support
PAP and CHAP authentication
Secure, graphical local or remote management using HTTPS or SSH
Standard 19” rackmountable chassis (1U)
Two-year warranty
Ship Kit Contents
The MultiAccess is shipped with the following:
1 MultiAccess
4 power cords (US, Euro, Austral, & UK)
1 printed Quick Start Guide
1 Document CD
1 Recovery Image CD
2 Rack Mounting Brackets and four mounting screws
If any of these items are missing, contact Multi-Tech Systems or your dealer or distributor. Inspect the
contents for signs of any shipping damage. If damage is observed, do not power up the MultiAccess. Contact
Multi-Tech’s Tech Support for advice.

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 7
Front Panel
The front panel has 16 front panel LEDs that provide operating status.
The Front Panel
Front Panel LED Descriptions
LED Description of LAN 1 & 2 LEDs
LINK The LINK LED indicates link integrity for the LAN Ethernet port. If the Ethernet link is valid at
either 10 Mbps or 100 Mbps, the LINK LED is lit. If the Ethernet link is invalid, the LINK LED is off.
ACT The ACT (Activity) LED indicates either transmit or receive activity on the LAN Ethernet port.
When activity is present on the LAN Ethernet port, the ACT LED is lit. When no activity is present
on the LAN Ethernet port, the ACT LED is off.
100MB The 100MB LED indicates the speed of the LAN Ethernet port. The 100MB LED is lit if the LAN
Ethernet port is linked at 100 Mbps. The 100 MB LED is off at 10 Mbps.
LED Description of LIne LI-1 thru LI-4 LEDs
LA The LA (Link Active) indicates layer 1 is up. LA blinks when Los of Frame Alignment (LFA) but not
Loss of Signal (LOS).
LC The LC indicates a red alarm.
LS The LS indicates a yellow alarm.
LED Description of Support Modem LEDs
CD The CD (Carrier Detect) LED lights when the modem detects a valid carrier signal from another
modem. It is on when the modem is communicating with the other modem. It is off when the link is
broken.
RD The RD (Read Data) LED flashes when the modem is receiving data from another modem.
DTR The DTR (Data Terminal Ready) LED lights when the operating system detects and initializes the
modem.
TD The TD (Transmit Data) LED flashes when the modem is transmitting data to another modem.
LED Description of System LEDs
HDD
ACT The HDD ACT (Hard Disk Drive Activity) LED lights when the MultiAccess hard disk drive is
accessed.
ALERT The ALERT LED lights and the system beeps when memory DIMM is bad, missing, or if other
rudimentary hardware failure.
POWER The POWER LED is off when the MultiAccess is in a reset state. When the POWER LED is lit, the
MultiAccess is not in a reset state.

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 8
Back Panel
The MultiAccess back panel has a fan, a power plug, the POWER Switch (| / O), an RJ-11 phone LINE jack,
a DB-9 COM1 jack, a DB-15 High-density DSUB (VIDEO) jack, two USB (Revision 1.1 compliant) jacks, four
RJ-45 T1/E1/PRI line jacks, and two Ethernet RJ-45 (Ethernet 1 & Ethernet 2) jacks.
The MultiAccess back panel is illustrated and described below.
Back panel
The back panel components are described in detail in the Cabling Procedure section in Chapter 2 of this
manual.

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 9
Typical Application
Internet Service Provider (ISP) Application- Only one Ethernet interface on the MultiAccess is used.
The IP address of the MultiAccess and the pool of IP addresses for the dial-in users are of the same network
and normally are public addresses. The modems of the MultiAccess are configured for RAS usage. PPP
clients dial into the system, authenticate, via RADIUS, and establish a LAN to Client PPP session (remote
note).

Chapter 1 – Introduction and Description
MultiAccess Communications Server MA30120 User Guide 10
Corporate Application-One or both Ethernet interfaces can be used. When both interfaces are used, they
are commonly configured with separate network addresses. The MultiAccess can provide dial-in RAS to one
or both networks and provide modem sharing and faxing for network workstations. Workstations on the
corporate LAN can be a Comm Port Redirector (e.g., Multi-Tech’s WINMCSI) for accessing MultiAccess’s
modems. Authentication can be performed before granting access to the modem sharing resource, providing
another layer of security to your network’s infrustructure.
If some or all the MultiAccess’s modems are configured for faxing, the HylaFAXserver software needs to
be operating on the MultiAccess and the HylaFAX client software operating on the network workstation.