DIGITAL ATM 4-Port Modular Line Card

This document provides installation, testing, and configuration information for the DIGITAL ATM 4-Port Modular Line Card (DAGGL-BC). It includes a list of supported ATM modular PHY (modPHY) cards, instructions for verifying and updating required firmware versions, and guidance on performing module self-tests using onboard LEDs. Additionally, the document covers procedures for installing or removing optional expanded memory (SODIMM) and the system-specific DC-to-DC power modules required for the GIGAswitch/ATM system.