ROUTINE MAINTENANCE
5-11
Edition One
XC1000 Service
5.6 MEASURING POWER AND GROUND
The power and ground should be measured monthly. To check the power
and ground, perform the following steps:
1. Open the rear doors of the XC1000.
2. Locate the +5-Vdc and +12 Vdc-test points on the main distribution
board, as shown in Figure 5-5. Voltage test points for +5 Vdc and +12
Vdc are located at the lower right corner of the main distribution
board. The test points are TP1 (return), TP2 (+5 Vdc), and TP3 (+12
Vdc). A second set of test points is located at the lower middle of the
board. These test points are labeled TP6 (return), TP7 (+5 Vdc), and
TP8 (+12 Vdc), and are provided for cabinet 2 in a dual-cabinet
configuration.
DISTRIBUTION BOARD
FOR CABINET 2 ONLY
TP8, RETURN
TP3, +12 VDC
J43
J44
J45
J46
J47
J48
J49
J50
TP2, +5 VDC
TP1, RETURN
TP7, +5 VDC
TP6, +12 VDC
FOR CABINET 1
S1
S2
Figure 5-5. Main Distribution Board, Showing the Location of
+5-Vdc and +12-Vdc Test Points.
Avoid contact with the –48 Vdc bus bar and terminals.
Contact with –48 Vdc can cause personal injury.
Warning!
3. Remove the cover to the power-distribution shelf.
4. Locate the + and – points for the –48 Vdc power supply, as shown in
Figure 5-6. Using a voltmeter, measure across the + and – points.
Verify that the power source supplies 43 to 56 Vdc. When the positive,
SECTION 5.6
Summary of Contents for XC1000
Page 1: ...EDITION ONE XC1000 P N 101 1345 000 SERVICE MANUAL ...
Page 8: ...CONTENTS ...
Page 19: ...1 INTRODUCTION ...
Page 30: ...2 SITE PREPARATION ...
Page 60: ...3 PLATFORM INSTALLATION ...
Page 112: ...4 STARTUP AND INITIALIZATION ...
Page 177: ...5 ROUTINE MAINTENANCE ...
Page 195: ...6 TROUBLESHOOTING ...
Page 237: ...7 STATUS LOG ...
Page 297: ...STATUS LOG 7 54 Edition One XC1000 Service ...
Page 302: ...8 REPAIR AND REPLACEMENT ...
Page 380: ...9 SYSTEM UTILITIES ...
Page 424: ...10 COMPONENT DESCRIPTIONS ...
Page 465: ...11 OPTIONAL FEATURES ...
Page 485: ...12 RELEASE 1 55 UPGRADE INSTRUCTIONS ...
Page 516: ...13 RELEASE 2 X UPGRADE INSTRUCTIONS ...
Page 559: ...14 RELEASE 3 02 FCP CONVERSION INSTRUCTIONS ...
Page 603: ...15 RELEASE 3 02 ONLINE UPGRADE INSTRUCTIONS ...
Page 631: ...16 RELEASE 3 0 SYSTEM UTILITIES ...
Page 683: ...17 RELEASE 4 X FCP CONVERSION INSTRUCTIONS r P N 281 0023 002 1 of 3 ...
Page 725: ...18 RELEASE 4 X ONLINE UPGRADE INSTRUCTIONS r P N 281 0023 002 2 of 3 ...
Page 760: ...19 RELEASE 4 0 SYSTEM UTILITIES P N 281 0023 002 Part 3 of 3 r ...
Page 776: ...20 RELEASE 4 1 SYSTEM UTILITIES P N 281 0033 000 ...
Page 787: ...APPENDIXES ...