COMPONENT DESCRIPTIONS
10-27
Edition One
XC1000 Service
The CPU, monitor card, file cards, DLCs, and TICs plug into the main
backplane. The main backplane supplies power and input and output (I/O)
signal distribution to each card. The main backplane is also the system
serial-bus connection. The main backplane provides the following connections:
TICs to the switch lines or trunks
Data and control buses to the CPU, file cards, monitor card, and DLCs
–48 Vdc power distribution to ATICs
+5-Vdc power and ground to all logic cards
PCM bus between DLCs and TICs
Figure 10-15 shows the configuration of the main backplane.
25-PAIR MALE AMPHENOL
CONNECTORS
(TELEPHONE INTERFACE)
MAIN-BACKPLANE SHIELD
CONTROL-CARD
CONNECTORS TO
DISTRIBUTION BOARD
–48-VDC RTN (BEHIND SHIELD)
–48-VDC (BEHIND SHIELD)
MAIN-BACKPLANE
TERMINATORS
(BEHIND SHIELD)
Figure 10-15. Main Backplane Configuration.
SECTION 10.5
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 ...