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Summary of Contents for Compaq Memory Channel Hub
- Page 1 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...
- Page 2 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.
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Page 3: Table Of Contents
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... - Page 4 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...
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Page 5: Overview
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. -
Page 6: Related Documents
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... -
Page 7: 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 Guide 1–1 Introduction... -
Page 8: Figure 1-1 Front Components
Introduction Figure 1-1 Front Components Operator control panel 1–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide LJ-06497.AI7... -
Page 9: Operator Control Panel
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 ™... -
Page 10: 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 š -48 Vdc power receptacle ›... -
Page 11: Specifications
Electrical Requirements Nominal voltage Operational voltage range Input current (maximum) Input power DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–5 13.6 kg (30 lb.) 40.64 cm (16 in.) 48.26 cm (19.0 in.) 17.78 cm (7.00 in.) 0°C to 40°C (32°F to 104°F) -20°C to 95°C (-4°F to 203°F) - Page 12 SES Template Word 7 Blank Page Fix by Peter LaQuerre...
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Page 13: Installation
Channel hub are in place and clearly labeled. These cables are the BC12N cables from the CCMAA adapters installed in the AlphaServer systems. The specifications and conditions listed in Section 1.3 have been met. DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–1 Installation... -
Page 14: Unpacking The Shipment
___________________________________________________________ _______________________ WARNING__________________________ The 2T-CCMHA-CB central office Memory Channel hub can weigh up to 13.6 kg (30 lb.). To prevent personal injury and equipment damage, ensure that the system is contained in an enclosure that can be stabilized when the system is pulled out on its slides. - Page 15 ____________________________________________________________ Table 2-1 lists the mounting hardware and components included with the 2T-CCMHA-CB central office Memory Channel hub shipment for installation in a 48.26-cm (19-in.) NEBS 2000/ETSI-compliant cabinet with an EIA rail-hole pattern. Table 2-1 Mounting Hardware and Component List...
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Page 16: Installing The 2T-Ccmha-Cb Central Office Memory Channel Hub
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 or 15 contiguous holes in a 48.26-cm (19-in.) NEBS 2000/ETSI-compliant cabinet with an EIA rail-hole pattern. -
Page 17: Figure 2-1 Installation Area And Rail-Hole Pattern (Eia Rail-Hole Pattern)
Hole 1 for attaching left and right slide brackets. š Hole 2 for installing standoffs on left and right front rails. DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–5 8 3/4" 7" "Installation Area" 5 1/4" 3 1/2"... -
Page 18: Attaching The Slide Assemblies To The Cabinet Rails
10. Install a 10-32 standoff and secure it in place with a 10-32 nut. 2–6 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide ™ in the 1st and 3rd holes of the installation area š... -
Page 19: Attaching The Left Slide Assembly To The Cabinet Rails
4. Install two 10-32 truss-head screws to secure the left front slide bracket to the left front rail, but do not tighten. DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–7 in the 1st and 3rd holes of the installation area Installation LJ-06501.AI7... - Page 20 10. Install a 10-32 standoff secure it in place with a 10-32 nut. 2–8 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide š in the 2nd hole of the installation area on the left front rail.
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Page 21: Attaching The Inner Races To The Tray
Remove the inner slide race from the left slide assembly and attach the left inner slide race › to the left side of the tray (as viewed from the front) using three 8-32 pan-head screws š Figure 2-3 Attaching the Inner Slide Races DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–9 Installation LJ-06503.AI7... -
Page 22: Mounting The Memory Channel Hub, Front Bezel, And Interlock Actuator Bracket On The Tray
Hilfskräfte vorhanden sein oder die richtigen Hebewerkzeuge benutzt werden. ___________________________________________________________ 1. Turn the 2T-CCMHA-CB central office Memory Channel hub upside down on a proper work surface. 2. Turn the tray (with inner races attached) upside down and place it on bottom cover of the 2T-CCMHA-CB central office Memory Channel hub 3. -
Page 23: Figure 2-4 Mounting The Memory Channel Hub, Front Bezel, And Interlock Actuator Bracket On The Tray
Installation Figure 2-4 Mounting the Memory Channel Hub, Front Bezel, and Interlock Actuator Bracket on the Tray LJ-06502A.AI7 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–11... -
Page 24: Mounting The Chassis And Tray Assembly On The Slides
To mount the chassis and tray assembly on the slides, refer to Figure 2-5 and proceed as follows: _______________________ 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. -
Page 25: Figure 2-5 Mounting The Chassis And Tray Assembly On The Slides
Installation Figure 2-5 Mounting the Chassis and Tray Assembly on the Slides LJ-06504.AI7 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–13... -
Page 26: Installing The Interlock System
The expanded view (A) shows the position of the actuator latches when all systems are pushed into the cabinet. The expanded view (B) shows the position of all actuator latches after one system has been pulled out. 2–14 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide œ š... - Page 27 __________________________ Note _____________________________ The interlock system is compatible with the 2T-CCMHA-CB central office Memory Channel hub. Other systems may not be compatible because the interlock actuator bracket may not engage properly. In these cases, do not install the interlock actuator bracket on those systems.
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Page 28: Figure 2-6 The Interlock System
Installation Figure 2-6 The Interlock System LJ-06471.AI7 2–16 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide... -
Page 29: Introduction
________________________ACHTUNG __________________________ Vor der Wartung des Gehäuses des 2T-CCMHA-CB Central Office Memory Channel Hub bzw. vor der Durchführung der folgenden Verfahren zum Entfernen oder Auswechseln von Komponenten müssen der On/Off- Netzstromschalter auf dem OCP auf OFF eingestellt und das Netzkabel aus der Netzsteckereingangsbuchse an der Rückseite des Gehäuses gezogen... - Page 30 Personen unternehmen zu können. ___________________________________________________________ Tools Required The following tools are required for servicing the 2T-CCMHA-CB central office Memory Channel hub chassis: Phillips-head screwdriver Flat-blade screwdriver Adjustable wrench 3–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide...
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Page 31: Top Cover
To replace the top cover, refer to Figure 3-1and reverse steps 1 through 3 of the removal procedure. Figure 3-1 Removing and Replacing the Top Cover DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–3 Removal and Replacement LJ-06508.AI7... -
Page 32: Power Supply
To replace the power supply, refer to Figure 3-2 and Figure 3-3 and reverse steps 1 through 4 of the removal procedure. Figure 3-2 Removing the Power Supply 3–4 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide and disconnect the power cable connector š... -
Page 33: Figure 3-3 Disconnecting The Power Cable Connector And Removing The Power Supply
Removal and Replacement Figure 3-3 Disconnecting the Power Cable Connector and Removing the Power Supply LJ-06514.AI7 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–5... - Page 34 SES Template Word 7 Blank Page Fix by Peter LaQuerre...