User manual

Chapter 1. Introduction
1-2 VCOM Module User Manual 61200312L1-1
PHYSICAL DESCRIPTION
The VCOM Module provides no external interfaces. Other ATLAS 550
components provide boththenetwork and customer interfaces. An internal
bus exchanges information between the ATLAS 550 chassis and the
VCOM Module.
RELATED DOCUMENTATION
The following document contains additional information about the
ATLAS 550 frame relay feature:
• ATLAS 550 User Manual (P/N 61200305L1-1)