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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
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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 MERCHANTABIL
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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 Inte
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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 ......................................................................
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Preface 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 wh
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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 A note calls the reader’s attention to any item of information that may be of special
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1 Introduction 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. DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Gu
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DIGITAL Memory Channel Hub 100/8 Central Office Introduction Figure 1-1 Front Components 1 LJ-06497.AI7 Operator control panel 1–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide
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Introduction 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 2 1 LJ-06498.AI7 On/Off switch — Powers the system secondary dc power on or off. Reset button — Initializes the system. Turbo LED — Lit when computer runs at rated microprocessor spe
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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 3 1 2 70 6 5 4 3 2 1 LJ-06499.AI7 Power supply -48 Vdc power receptacle CCMLA linecard slots 1–4 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/S
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Introduction 1.3 Specifications Table 1-1 contains the physical, environmental, and electrical specifications for the 2T- CCMHA-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-Oper
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SES Template Word 7 Blank Page Fix by Peter LaQuerre
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2 Installation 2.1 General This chapter covers the installation of 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. The major topics covered in this chapter include: • Site Preparation • Unpacking the Shipment • Installing the 2T-CCMHA-CB central office Memory Channel Hub – Determining the Installation Area – Attaching the Slide Assemblies to the Cabinet Rails – Attaching the Inner Races to the Tray – Mo
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Installation • The system is located in an area that provides sufficient clearance for ventilation and servicing. A clearance of 61 cm (24 in.) at the rear and 129.6 cm (51 in.) at the front of the cabinet is required for service. ________________________ Caution___________________________ Do not impede airflow by obstructing the front and rear of the cabinet. Exceeding internal thermal limits can affect system reliability. ___________________________________________________________ ____________
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Installation ________________________WARNING __________________________ The 2T-CCMHA-CB central office Memory Channel hub can weigh up to 13.6 kg (30 lb.). Use sufficient personnel or the proper lifting equipment when lifting or moving the system. ____________________________________________________________ ________________________ACHTUNG __________________________ Der 2T-CCMHA-CB Central Office Memory Channel Hub kann bis zu 13,6 kg (30 lb) wiegen. Beim Hochheben oder Transport des Systems soll
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Installation 2.4 Installing the 2T-CCMHA-CB Central Office Memory Channel Hub The following sections contain the procedure for installing 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. Tools Required • Phillips-head screwdriver • Flat-blade screwdriver • Adjustable wrench 2.4.1 Determining the Installation Area The 2T-CCMHA-CB central office Memory Channel hub requires 22.23 cm (8.75 in.) of vertical space
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Installation Figure 2-1 Installation Area and Rail-Hole Pattern (EIA Rail-Hole Pattern) 4 4 8 3/4" 7" "Installation Area" 5 1/4" 0.625 inch 0.625 inch 3 0.500 inch 3 1/2" 2 3 0.625 inch 2 1 0.625 inch 0.500 inch 1 3/4" 1 0.625 inch "1.75 Rule" 0.625 inch 0.500 inch 0.625 inch LJ-06500.AI4 Hole 1 for attaching left and right slide Hole 3 for attaching left and right slide brackets. brackets. Hole 2 for installing standoffs on left Hole 14 for installing standoffs and nuts on and right fro
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Installation 2.4.2 Attaching the Slide Assemblies to the Cabinet Rails The following sections contain the procedures for attaching the right and left slide assembles to the cabinet rails. 2.4.2.1 Attaching the Right Slide Assembly to the Cabinet Rails To attach the right slide assembly to the cabinet rails, refer to Figure 2-2 and proceed as follows: 1. Determine the proper mounting holes for the right slide brackets. The proper mounting holes are the 1st, 2nd, and 3rd holes of the installation
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Installation Figure 2-2 Attaching the Slide Assemblies to the Cabinet Rails 3 4 3 4 1 1 2 2 LJ-06501.AI7 2.4.2.2 Attaching the Left Slide Assembly to the Cabinet Rails To attach the left slide assembly to the cabinet rails, refer to Figure 2-2 and proceed as follows: 1. Determine the proper mounting holes for the left slide brackets. The proper mounting holes are the 1st, 2nd, and 3rd holes of the installation area (see Figure 2-1). 2. Locate the left slide assembly. 3. Place the left front slid
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Installation 5. Install a 10-32 standoff in the 2nd hole of the installation area on the left front rail. Tighten this standoff. 6. Place the left rear slide bracket on the inside of the left rear rail and align the three slide bracket holes and with the 1st, 2nd, and 3rd holes of the installation area on the left rear rail. 7. Install three 10-32 truss-head screws in the 1st, 2nd, and 3rd, holes of the installation area to secure the left rear slide bracket to the left rear rail, but do not
