Compaq Memory Channel Hub User Manual
DIGITAL 2T-CCMHA-CB Central Office
Memory Channel Hub
Installation/Service Guide
Part Number: EK-MCHCO-IN. A01
December 1998
Compaq Computer Corporation
Houston, Texas
December 1998
The information in this publication is subject to change without notice.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL
ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR CONSEQUENTIAL
DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL. THIS
INFORMATION IS PROVIDED “AS IS” AND COMPAQ COMPUTER CORPORATION DISCLAIMS ANY
WARRANTIES, EXPRESS, IMPLIED OR STATUTORY AND EXPRESSLY DISCLAIMS THE IMPLIED
WARRANTIES OF MERCHANTABILITY, FITNESS FOR PARTICULAR PURPOSE, GOOD TITLE AND
AGAINST INFRINGEMENT.
This publication contains information protected by copyright. No part of this publication may be photocopied or
reproduced in any form without prior written consent from Compaq Computer Corporation.
FCC NOTICE: This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications.
Any changes or modifications made to this equipment may void the user’s authority to operate this equipment.
Operation of this equipment in a residential area may cause interference in which case the user at his own expense
will be required to take whatever measures may be required to correct the interference.
1998 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
The software described in this guide is furnished under a license agreement or nondisclosure agreement. The
software may be used or copied only in accordance with the terms of the agreement.
Compaq, Deskpro, Fastart, Compaq Insight Manager, Systempro, Systempro/LT, ProLiant, ROMPaq, QVision,
SmartStart, NetFlex, QuickFind, PaqFax, ProSignia, registered in United States Patent and Trademark Office.
Netelligent, Systempro/XL, SoftPaq, QuickBlank, QuickLock are trademarks and/or service marks of Compaq
Computer Corporation.
AlphaServer, DIGITAL, DIGITAL logo, , registered in United States Patent and Trademark Office.
The following are third-party trademarks:
Memory Channel is a trademark of Encore Computer Corporation.
S3688
Table of Contents
1 Introduction
1.1 Overview.......................................................................................................... 1–1
1.2 Components and Controls................................................................................. 1–1
1.2.1 Front Components................................................................................... 1–1
1.2.2 Operator Control Panel............................................................................ 1–3
1.2.3 Internal Components ............................................................................... 1–4
1.2.4 Rear Components.................................................................................... 1–4
1.3 Specifications.................................................................................................... 1–5
2 Installation
2.1 General.............................................................................................................2–1
2.2 Site Preparation................................................................................................. 2–1
2.3 Unpacking the Shipment................................................................................... 2–2
2.4 Installing the 2T-CCMHA-CB Central Office Memory Channel Hub................ 2–4
2.4.1 Determining the Installation Area............................................................ 2–4
2.4.2 Attaching the Slide Assemblies to the Cabinet Rails................................ 2–6
2.4.2.1 Attaching the Right Slide Assembly to the Cabinet Rails............... 2–6
2.4.2.2 Attaching the Left Slide Assembly to the Cabinet Rails................. 2–7
2.4.3 Attaching the Inner Races to the Tray ..................................................... 2–9
2.4.4 Mounting the Memory Channel Hub, Front Bezel, and Interlock Actuator
Bracket on the Tray ..................................................................................... 2–10
2.4.5 Mounting the Chassis and Tray Assembly on the Slides........................ 2–12
2.5 Installing the Interlock System....................................................................... 2–14
iii
3 Removal and Replacement
3.1 Introduction...................................................................................................... 3–1
3.2 Top Cover......................................................................................................... 3–3
3.3 Power Supply.................................................................................................... 3–4
Figures
Figure 1-1 Front Components................................................................................. 1–2
Figure 1-2 Operator Control Panel.......................................................................... 1–3
Figure 1-3 Rear Components.................................................................................. 1–4
Figure 2-1 Installation Area and Rail-Hole Pattern (EIA Rail-Hole Pattern) ........... 2–5
Figure 2-2 Attaching the Slide Assemblies to the Cabinet Rails.............................. 2–7
Figure 2-3 Attaching the Inner Slide Races............................................................. 2–9
Figure 2-4 Mounting the Memory Channel Hub, Front Bezel, and Interlock Actuator
Bracket on the Tray.............................................................................................2–11
Figure 2-5 Mounting the Chassis and Tray Assembly on the Slides .......................2–13
Figure 2-6 The Interlock System............................................................................2–16
Figure 3-1 Removing and Replacing the Top Cover ............................................... 3–3
Figure 3-2 Removing the Power Supply.................................................................. 3–4
Figure 3-3 Disconnecting the Power Cable Connector and Removing the Power
Supply.................................................................................................................. 3–5
Tables
Table 1-1 2T-CCMHA-CB Central Office Memory Channel Hub Specifications... 1–5
Table 2-1 Mounting Hardware and Component List ............................................... 2–3
iv
Overview
This guide provides the information necessary to install the 2T-CCMHA-CB central office
Memory Channel hub in a 48.26-cm (19-in.) NEBS 2000/ETSI-compliant cabinet with an
EIA rail-hole pattern. It also provides information on removing and replacing the top cover
and the power supply.
Intended Audience
This guide is intended for Compaq service personnel or qualified Self-maintenance
customers who are familiar with installing computer systems, and for system managers and
others who perform system management tasks.
How to Use This Guide
Read this guide before installing the 2T-CCMHA-CB central office Memory Channel hub.
Before installation review the warranty. The terms of the warranty agreement with
Compaq may require that a qualified Compaq Customer Services representative install the
system. Contact your local Compaq representative if you have any questions.
Organization
Preface
This guide is organized as follows:
Chapter 1, Introduction – Provides an overview of the 2T-CCMHA-CB central office
Memory Channel hub and a description of the basic components and controls.
Chapter 2, Installation – Provides site preparation, unpacking, and system installation
information.
v
Chapter 3,.Removal and Replacement – Provides the removal and replacement
procedures for the top cover and power supply.
Related Documents
Other documents related to the 2T-CCMHA-CB central office Memory Channel hub
include the following:
• Memory Channel User’s Guide (EK-PCIRM-UG)
• Memory Channel Service Information (EK-PCIRM-SV)
Conventions
This guide uses the following conventions:
Convention Meaning
Note
Caution
Warning
Italic type
A note calls the reader’s attention to any item of information that may be of
special importance.
A caution contains information essential to avoid damage to the equipment.
A warning contains information essential to the safety of personnel.
Circled numbers provide a link between figures or examples and text.
Italic type emphasizes important information, indicates variables, and
indicates complete titles of manuals.
Reader’s Comments
Compaq welcomes your comments on this or any other manual. You can send your
comments to Compaq in the following ways:
• Internet electronic mail: reader-comments@digital.com
• Mail:
Compaq Computer Corporation
Information Design
PKO3-2/21J
129 Parker Street
Maynard, MA 01754-2199
For additional information call 1-800-344-4825.
vi
1.1 Overview
The 2T-CCMHA-CB central office Memory Channel hub is used to share and route data
between two AlphaServer 4100 central office systems.
1.2 Components and Controls
System components and controls are located at the front, internally, and at the rear of the
Memory Channel hub chassis.
1.2.1 Front Components
Figure 1-1 shows the components located on the front of the Memory Channel hub chassis.
1
Introduction
DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–1
Introduction
Figure 1-1 Front Components
1
Operator control panel
DIGITAL
Memory Channel Hub 100/8
Central Office
LJ-06497.AI7
1–2
DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide
1.2.2 Operator Control Panel
The operator control panel (OCP), shown in Figure 1-2, is located on the front of the
Memory Channel hub chassis and consists of an On/Off switch, a Reset button, and three
LEDs.
Figure 1-2 Operator Control Panel
3 4 5
DIGITAL
Memory Channel Hub 100/8
Central Office
Introduction
2 1
LJ-06498.AI7
On/Off switch
Reset button
Turbo LED
— Powers the system secondary dc power on or off.
— Initializes the system.
— Lit when computer runs at rated microprocessor speed. Not lit when in
non-turbo mode.
Disk LED
Power LED
— Indicates disk drive activity.
— Lit when power switch is On.
DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide
1–3
Introduction
1.2.3 Internal Components
The internal components of the Memory Channel hub chassis consist of the following:
• One motherboard
• Four to eight CCMLA hub linecards
• Cooling fan
1.2.4 Rear Components
Figure 1-3 shows the components located on the rear of the Memory Channel hub chassis.
Figure 1-3 Rear Components
Power supply
-48 Vdc power receptacle
CCMLA linecard slots
1 2
3
12345670
LJ-06499.AI7
1–4
DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide
1.3 Specifications
Table 1-1 contains the physical, environmental, and electrical specifications for the 2TCCMHA-CB central office Memory Channel hub.
Table 1-1 2T-CCMHA-CB Central Office Memory Channel Hub Specifications
Physical Characteristics
Chassis
Weight 13.6 kg (30 lb.)
Length 40.64 cm (16 in.)
Width 48.26 cm (19.0 in.)
Height 17.78 cm (7.00 in.)
Environmental Requirements
Temperature range
Operating 0°C to 40°C (32°F to 104°F)
Non-Operating -20°C to 95°C (-4°F to 203°F)
Temperature change rate 11°C/hr (20°F/hr) maximum
Wet bulb temperature
(maximum)
Dew point temperature
(minimum)
Relative humidity 10% to 95% (noncondensing)
Altitude 60 m to 3050 m (-200 ft to 10,000 ft)
Electrical Requirements
Nominal voltage -48 Vdc
Operational voltage range -36 to -72 Vdc
Input current (maximum) 1.25 A at -48 Vdc
Input power 60 W
Introduction
28°C (82°F)
2°C (36°F)
DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide
1–5
Loading...