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Chapter 1 - Introduction
1.5 Features
The MT56DSU-S provides many useful features. Standard features include V.35 and EIA-232-D interfaces on
the data port (DTE device) and a synchronous rate of 56 Kbps on both the data port and trunk, and user-
selectable clocking option.
Your Multi-Tech DSU/CSU provides the following features:
Supports direct connection to the DATAPHONE Digital Data Service (DDS) or compatible network
Standard EIA-232-D and V.35 interfaces on the data port (DTE device) and DDS interface on the line
• Multiple selectable clocking
- Internal clocking
- DDS (slave) clocking
• Multiple MT56DSU-S-activated diagnostic tests
- Local loopback test
- Digital loopback test
• Multiple Telco-activated diagnostic tests
- DSU loopback test
- CSU loopback test