Introduction - nVent SCHROFF 21596-077 User Manual

Schroff Shelf Alarm Panel (SAP)
21596-077

1 Introduction

Some I/O functionalities of the Schroff ACB-IV Shelf Manager have been moved
to a separate board called Shelf Alarm Panel (SAP). The Shelf Alarm Panel is a
FRU and provides:
• 3 Telco Alarm LEDs (MINOR, MAJOR, CRITICAL)
• 3 User definable LEDs
• The Telco Alarm connector (DB15-male)
• The Alarm Silence Push Button
• Serial console interfaces for Schroff Shelf Managers (RJ45 connectors)
• Temperature sensor (LM75)
• SEEPROM for FRU information
The SAP is connected to the Schroff ACB-IV Shelf Manager by a I²C connection,
the signals from the serial connectors are routed directly to serial console
interface on the Shelf Manager.
Figure 1: SAP
www.schroff.biz 1 R1.0, February 05, 2008
Introduction
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