Installing an External Cache Battery Cable
Contents
1. s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide for installation and shutdown instructions Attach the splitter with the countersink hole facing outward at hole 47 of the left rear outside rail as shown in Figure 6 Locate hole 47 by counting from the top of the cabinet hole 1 to the bottom of the cabinet hole 62 Figure 6 Bottom Cache B to ECB D pM eA Rear Front car T Rococo oe eo Cache B 61 Outside rail CXO6026A Install the four snap in cable ties at holes 61 55 48 and 52 as shown in Figure 6 Connect the short Y leg of the ECB cable to the bottom connector of the ECB as shown in Figure 6 Tie the long Y leg of the ECB cable at hole 52 as shown in Figure 6 Route the ECB cable through the cable ties 48 55 and 61 as shown in Figure 6 Do not tighten the cable ties CAUTION The ECB must be disabled the status light is not lit or is not blinking before connecting the ECB cable to the cache module Failure to disable the ECB could result in ECB damage Connect the single leg of the ECB cable to cache B Straighten the ECB cable and tighten the cable ties to hold it securely into place Restart the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide2. pin Improper handling when connecting or disconnecting could cause these pins to contact ground resulting in cache module damage 4 Connect the long Y leg of the ECB cable to the right connector on the ECB 5 Ifpower supplies are used on the ECB cable side of the cabinet route the single leg of the ECB cable through the loops formed by the power supply cords as shown in Figure 1 CAUTION The ECB must be disabled the status light is not lit or is not blinking before connecting the ECB cable to the cache module Failure to disable the ECB could result in ECB damage 6 Connect the single leg of the ECB cable to the cache module 7 Install the cable ties and secure the ECB cable tie both Y legs of the ECB cable with the top cable tie 8 Straighten the ECB cable and tighten the cable ties 9 Restart the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSG80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide EK HSZ70 TE C01 Data Center Cabinet The Data Center cabinet may require up to four ECB cables one for each of the following cache modules E Top cache A E Top cache B E Bottom cache A E Bottom cache B Figure 2 shows the relative location of cache modules A and B in each SW370 rack mountable enclosure in the data center cabinet Figure 2 Cache Modules A and B Controller A Con
3. 5 EK HSZ70 TE C01
4. BOEGGEO Installing an External Cache Battery Cable This document contains instructions to replace or install a second external cache battery ECB cable into a Departmental or Data Center cabinet In either case these instructions assume that the cache module and ECB are already installed See the appropriate HSZ70 Array Controller HSOF Version 7 x Service Manual the HSG8O0 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide for help on installing an ECB or cache module Departmental Cabinet 1 Ensure that the ECB and cache module are in place as shown in Figure 1 Shut down the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSG80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide Figure 1 Routing the ECB Cable in a Departmental Cabinet ECB a Q Cable tie and mount modules CX05894A 2 Attach the splitter with the countersink hole facing outward in its recess as shown in Figure 1 3 Attach three adhesive backed cable tie mounts to the inside of the cabinet equally spaced along the inside edge as shown in Figure 1 Digital Equipment Corporation 1998 All rights reserved CAUTION The ECB cable has a 12 V and a 5 V
5. module Failure to disable the ECB could result in ECB damage 7 Connect the single leg of the ECB cable to cache A 8 Straighten the ECB cable and tighten the cable ties to hold it securely into place Figure 3 Top Cache A to ECB Front Outside rail rail CXO6025A Restart the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide Installing the ECB Cable for the Top Cache B 1 Ensure that the ECB and cache module are installed as shown in Figure 4 and that the subsystem is shut down See the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide for installation and shutdown instructions Attach the splitter with the countersink hole facing outward at hole 47 of the right rear outside rail as shown in Figure 4 Locate hole 47 by counting from the top of the cabinet hole 1 to the bottom of the cabinet hole 62 Figure 4 Top Cache B to ECB D pu S A Rear Front SS i Tena Cache B 318 Inside rail Outside rail CX06027A Install the five snap in cable ties at holes 31 33 right 48 left 48 and 52 as shown in Figure 4 Connect
6. om of the cabinet hole 62 Figure 5 Bottom Cache A to ECB D Oe A Rear Front Outside Inside rail NU T rail Splitter Y Cache A o 61 CX06024A Install the five snap in cable ties at holes 61 55 left 48 right 48 and 52 as shown in Figure 5 Connect the short Y leg of the ECB cable to the top connector of the ECB as shown in Figure 5 Tie the long Y leg of the ECB cable at hole 52 as shown in Figure 5 Route the ECB cable through the cable ties left 48 right 48 55 and 61 as shown in Figure 5 Do not tighten the cable ties CAUTION The ECB must be disabled the status light is not lit or is not blinking before connecting the ECB cable to the cache module Failure to disable the ECB could result in ECB damage Connect the single leg of the ECB cable to cache A Straighten the ECB cable and tighten the cable ties to hold it securely into place Restart the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide Installing the ECB Cable for the Bottom Cache B 1 Ensure that the ECB and cache module are in place as shown in Figure 6 and that the subsystem is shut down See the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User
7. the short Y leg of the ECB cable to the bottom connector of the ECB as shown in Figure 4 Tie the long Y leg of the ECB cable at hole 52 as shown in Figure 4 Route the ECB cable through the cable ties right 48 left 48 33 and 31 as shown in Figure 4 Do not tighten the cable ties CAUTION The ECB must be disabled the status light is not lit or is not blinking before connecting the ECB cable to the cache module Failure to disable the ECB could result in ECB damage 7 8 9 Connect the single leg of the ECB cable to cache B Straighten the ECB cable and tighten the cable ties to hold it securely into place Restart the subsystem as described in the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide 3 EK HSZ70 TE C01 Installing the ECB Cable for the Bottom Cache A 1 Ensure that the ECB and cache module are installed as shown in Figure 5 and that the subsystem is shut down See the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide for installation and shutdown instructions Attach the splitter with the countersink hole facing outward at hole 40 of the left rear outside rail as shown in Figure 5 Locate hole 40 by counting from the top of the cabinet hole 1 to the bott
8. troller B Cache A Cache B CXO5608A NOTE All directions are relative to your view of the cabinet For example left front refers to the left side of the cabinet when you are in front of the cabinet Likewise left rear refers to the left side of the cabinet when you are behind the cabinet Installing the ECB Cable for the Top Cache A 1 Ensure that the ECB and cache module are installed as shown in Figure 3 and that the subsystem is shut down See the HSZ70 Array Controller HSOF Version 7 x Service Manual the HSZ80 Array Controller ACS Version 8 x User s Guide or the HSZ80 Array Controller ACS Version 8 x User s Guide for installation and shutdown instructions 2 Attach the splitter with the countersink hole facing outward at hole 40 of the right rear outside rail as shown in Figure 3 Locate hole 40 by counting from the top of the cabinet hole 1 to the bottom of the cabinet hole 62 3 Install the four snap in cable ties at holes 31 33 48 and 52 as shown in Figure 3 4 Connect the short Y leg of the ECB cable to the top connector of the ECB as shown in Figure 5 5 Tie the long Y leg of the ECB cable at hole 52 as shown in Figure 3 6 Route the ECB cable through the cable ties 48 33 and 31 as shown in Figure 3 Do not tighten the cable ties CAUTION The ECB must be disabled the status light is not lit or is not blinking before connecting the ECB cable to the cache
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