Chapter 13 - Ntmw04 1.5 Mb Dti/Pri; Introduction; Functional Description - Nortel Meridian 1 Option 11C Compact Technical Reference Manual

Chapter 13 — NTMW04 1.5 Mb DTI/PRI

Introduction

Functional description

The NTMW04 is a mini Peripheral Equipment (PE) circuit card that installs
in any of the upper three peripheral slots in the main cabinet of the
Meridian 1 Option 11C Compact system. It provides 1.5Mb ISDN Primary
Rate Interface and Digital Trunk Interface capabilities. The NTMW04 also
provides Clock recovery (slave configuration) and a D-Channel Handler
Interface (downloadable).
The NTMW04 provides the following features and functions:
• 1.544 Mbps T1 transmission rate
• D2, D3, D4, and ESF framing formats
• Line Equalization via software control
• selection of B7 and B8ZS method of zero code suppression
• support of the NI-2 TR-1268 interface
• support of the NX64 feature
• 1.5 Mb Clock recovery, in a slave configuration format
• support of in band ABCD signaling for DTI applications
• AMI or B8ZS line coding
• CE-MUX for D-Channel communication
• downloadable layer 1 software and DTI software
• downloadable D-Channel Hardware Interface software
Meridian 1 Option 11C Compact
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Technical Reference Guide