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MMH-Series Benefits Reduce costs of multiple phone lines
Sync/Async Multiplexer
Sync composite link connectivity Error-free data transmissions
The MultiMux MMH-Series statistical multiplexer consolidates up to eight data channels for transmission over one synchronous or asynchronous analog, ISDN or digital line. This multiplexer has a solid reputation as a reliable multi-user solution and is ideal for small to midsize companies that want to connect remote terminals and PCs to a central site legacy system.
Features
128K Sync/Async Statistical Multiplexer for Data
One sync/128K or async/115.2K composite link
Four or eight async/115.2K data channels
Support for analog, BRI ISDN, or DDS service
Diagnostics for testing the components of the network, including loop tests, switch and LED tests, and memory tests
Automated statistical reporting for network management and troubleshooting
Local and remote configuration using a terminal or modem
Built-in command modem for remote configuration with US and Canadian models
Internal or external modem or DSU connection
Two-year warranty
MultiMux™ Maximize Data Link Efficiency. The MultiMux is a statistical time division multiplexer. It aggregates bandwidth allowing active users to share all of the available bandwidth, unlike frequency and time division multiplexers. Frequency and time division multiplexers dedicate a portion of the bandwidth to each user. So even when a channel is inactive, the bandwidth cannot be used by others.
Highlights
Improve Data Integrity. Asynchronous devices gain improved accuracy when connected to the MultiMux. Features supported by the MultiMux include, buffering, flow control, and pacing features. This means the MultiMux supports high traffic levels without compromising data integrity. Applications. The MultiMux is typically used to connect asynchronous terminals, PCs, and other devices in a remote office to an AS/400 , UNIX host or other legacy system. In point-of-sale applications, the MultiMux connects all locations to the host for live inventory levels and automates the ordering process; in the medical industry, it connects remote clinics with medical specialists in distant cities; and in any business application, it combines legacy and LAN networks and adds interoffice e-mail. ®
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Cost-Savings. A MultiMux can reduce your data communication costs by eliminating multiple data lines at one site and eliminating modems for each asynchronous device. Scalable. The MultiMux makes it easy to grow as your networking demands grow. You can start with four channels. Then if demand grows, you can easily add and cost-justify another 4-channel card. In applications requiring more channels or voice, the scalable MultiMux MMV supports up to 32 channels. For more information see data sheet 86000318. Remote Configuration and Management. The MultiMux provides remote configuration and management capabilities using the built-in command modem (US/Canada) or an external modem connected to the command port (Intl). From the central site you can configure channels, gather usage statistics, and run diagnostics. In addition, while you are making changes, all of the data channels remain operational.
Connect to High-Bandwidth Digital Service. The Multi-Tech MultiDSU family is a combination Data Service Unit/Channel Service Unit (DSU/CSU) used to connect the MultiMux to a high-bandwidth digital service. Go to www.multitech.com for a complete listing of DSU/CSUs. Ease into New Technologies. The MultiMux allows you to cost-effectively maintain the integrity of your current system as you move to newer LAN technologies. Add a Multi-Tech MultiFRAD between the MultiMux and the MultiDSU to consolidate the MultiMux network and any LAN-based operations over cost-saving frame relay network services.
MultiMux™ Specifications
Ordering Information
Composite Link
Model MMH904Ca MMH908Ca MMH904Ca/V34 MMH908Ca/V34 MMH904Ca/56 MMH908Ca/56 MMH904Ca/IS MMH908Ca/IS
Operations: Sync/128K & async/115.2K Interface: RS232C/CCITT V.35, or MultiMux MMH internal modem, ISDN or DSU card
Data Channels Channels: 4 or 8 Operations: async/115.2K Interface: RS232C/CCITT V.24 Connectors: 25-pin female D Channels: 4 or 8 Operations: async/115.2K Interface: RS232C/CCITT V.24 Connectors: 25-pin female D
Modem Card Rates: 300 33.6K Standards: V.34, V.32bis, V.32 terbo, & V.22bis Operation: sync full duplex over 2- or 4-wire leased line; async full duplex over 2-wire dial-up line Interface: RJ11C
DSU Card Operation: Sync/56K DDS or compatible Interface: DDS with RJ-48 keyed jack
Upgrade Modules and Accessories MMH428 4-Port Expansion Card MMH2834* 33.6K Link Modem Card MMH956K* 56K Link DSU Card MMH964IS* BRI-NT1 Link ISDN Card MMHShelf 19" Equipment Shelf
Made in Mounds View, MN, U.S.A. Trademarks: MultiMux, Multi-Tech, & the Multi-Tech logo: Multi-Tech Systems, Inc. / All other products or technologies are the trademarks or registered trademarks of their respective holders.
Management Menus with help screens for local or remote configuration through command port or modem
Command Port & Modem Port: RS232C; async/to 19.2K Modem: RJ11C; async/to 2.4K
Electrical Voltage: 115v AC - 47/63 Hz; 240v AC optional Power: 35 Watts
Physical Description 15.8" w × 2.6" h × 11" d; 12 lbs. 40 cm × 6.7 cm × 28 cm; 5.5 kg
Approvals FCC Part 15 & 68; UL 1950; IEC 950 & IC CS03
1/00
86000319
Multi-Tech Computers (U.K. Sales Office) Tel: +(44) 118-959 7774 / Fax: +(44) 118-959 7775 For more information on sales offices in China, France, Germany, India, the Netherlands, and the United Kingdom, contact Multi-Tech world headquarters.
Copyright © 2000 by Multi-Tech Systems, Inc. All rights reserved.
Global US/Can US/Can US/Can Global
* Muxes without command modem do not support these internal upgrade modules.
Rates: 2.4 128K Standards: ITU-T V.120 Operation: ISDN Basic Rate; 1B+D or 2B+D Interface: 2-wire U; RJ-48 Switch Compatibility: Siemens Stromberg-Carlson EWSD®, National ISDN-1; NEC B-Channel Protocols: BONDING Protocol, Mode 1
www.multitech.com
Region US/Can US/Can US/Can US/Can US/Can US/Can US/Can US/Can
International models also available without command modem. Please specify voltage when ordering.
ISDN Card
Multi-Tech Systems, Inc. (World Headquarters) Tel: (612) 785-3500 or (800) 328-9717 Fax: (612) 785-9874
Description 4/8 Port Mux 8/8 Port Mux 4/8-Port, 33.6K Modem Mux 8/8-Port, 33.6K Modem Mux 4/8-Port, DSU Mux 8/8-Port, DSU Mux 4/8-Port, BRI-NT1 Mux 8/8-Port BRI-NT1 Mux
