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Compaq Memory Channel Hub manual

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Table of contents for the manual

  • Page 1

    DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Ser v ice G uide Part Number: EK-MCHCO-IN. A01 December 1998 Compaq Computer Corporation Houston, Texas[...]

  • Page 2

    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[...]

  • Page 3

    iii Table of Contents 1 Introduction 1.1 Overview .......................................................................................................... 1–1 1.2 Components and Controls ................................................................................. 1–1 1.2.1 Front Components ................................................[...]

  • Page 4

    iv 3 Removal and Replacement 3.1 Introduction ...................................................................................................... 3–1 3.2 Top Cover......................................................................................................... 3– 3 3.3 Power Supply.....................................................[...]

  • Page 5

    v 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 C[...]

  • Page 6

    vi 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) Con[...]

  • Page 7

    DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–1 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[...]

  • Page 8

    Introduction 1–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide Figure 1-1 Front Components DIGITAL Memory Channel Hub 100/8 Central Office 1 LJ-06497.AI7 Operator control panel[...]

  • Page 9

    Introduction DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–3 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 LJ-06498[...]

  • Page 10

    Introduction 1–4 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 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 t[...]

  • Page 11

    Introduction DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 1–5 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 C[...]

  • Page 12

    SES Template Word 7 Blank Page Fix by Peter LaQuerre[...]

  • Page 13

    DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–1 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 [...]

  • Page 14

    Installation 2–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide • 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. ________________________ Cauti[...]

  • Page 15

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–3 ________________________ 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 16

    Installation 2–4 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 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-ho[...]

  • Page 17

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–5 Figure 2-1 Installation Area and Rail-Hole Pattern (EIA Rail-Hole Pattern) "1.75 Rule" "Installation Area" LJ-06500.AI4 1 3/4" 7" 8 3/4" 0.625 inch 0.500 inch 0.625 inch 0.625 inch 0.500 inch 0.625 inch 0.625 inch 0[...]

  • Page 18

    Installation 2–6 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 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 t[...]

  • Page 19

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–7 Figure 2-2 Attaching the Slide Assemblies to the Cabinet Rails 3 4 2 4 2 1 1 3 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 foll[...]

  • Page 20

    Installation 2–8 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 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[...]

  • Page 21

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–9 2.4.3 Attaching the Inner Races to the Tray To attach the inner slide races to the tray, refer to Figure 2-3 and proceed as follows: _________________________ Caution ___________________________ When performing this procedure, ensure that the locking[...]

  • Page 22

    Installation 2–10 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2.4.4 Mounting the Memory Channel Hub, Front Bezel, and Interlock Actuator Bracket on the Tray To mount the 2T-CCMHA-CB central office Memory Channel hub, front bezel, and interlock actuator bracket on the tray, refer to Figure 2-4 and proceed as fo[...]

  • Page 23

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–11 Figure 2-4 Mounting the Memory Channel Hub, Front Bezel, and Interlock Actuator Bracket on the Tray LJ-06502A.AI7 1 2 7 4 3 3 3 5 6 5[...]

  • Page 24

    Installation 2–12 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2.4.5 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 Me[...]

  • Page 25

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–13 Figure 2-5 Mounting the Chassis and Tray Assembly on the Slides 1 1 2 3 3 LJ-06504.AI7 4 DIGITAL Memory Channel Hub 100/8 Central Office[...]

  • Page 26

    Installation 2–14 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2.5 Installing the Interlock System The interlock system helps prevent cabinet instability by allowing only one system at a time to be pulled out of the cabinet. The interlock system consists of a vertical rod on which are mounted actuator latches f[...]

  • Page 27

    Installation DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 2–15 __________________________ 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 proper[...]

  • Page 28

    Installation 2–16 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide Figure 2-6 The Interlock System LJ-06471.AI7 4 1 5 1 5 1 2 2 B A B A[...]

  • Page 29

    DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–1 3 Removal and Replacement 3.1 Introduction This chapter contains the procedures for removing and replacing the top cover and power supply of the 2T-CCMHA-CB central office Memory Channel hub: For troubleshooting information and the procedure for removing the CCML[...]

  • Page 30

    Removal and Replacement 3–2 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide _______________________ WARNING __________________________ Only a qualified service person should remove and replace components in the 2T-CCMHA-CB central office Memory Channel hub. A qualified service person should have the technical trai[...]

  • Page 31

    Removal and Replacement DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–3 3.2 Top Cover _________________________ Caution ___________________________ Use care when removing and replacing the cover to prevent damage to the RFI gaskets that are located around the cover and opening. ________________________________[...]

  • Page 32

    Removal and Replacement 3–4 DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3.3 Power Supply Perform the following procedure to remove the power supply: 1. Remove the top cover (see Section 3.2). 2. Remove the four screws on the rear of the chassis that secure the power supply (see Figure 3-2). 3. Loosen the two s[...]

  • Page 33

    Removal and Replacement DIGITAL 2T-CCMHA-CB Central Office Memory Channel Hub Installation/Service Guide 3–5 Figure 3-3 Disconnecting the Power Cable Connector and Removing the Power Supply LJ-06514.AI7 7 6 5 4 3 2 1 0 2 1[...]

  • Page 34

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