User's Manual

CHAPTER 6 NDA-24300
Page 456
Issue 1
SYSTEM OPERATIONS
PLO Changeover: Though PLO is included in the switching block together with the TDSW,
MUX, and DLKC, its ACT/STBY changeover should be performed inde-
pendently by operating the MB key on the card. The changeover of PLO
does not affect any other systems.
Figure 6-37 Switching Network General Block Diagram
IMG0
TSW I/O BUS
TSW I/O BUS
CPR 0
CPR 1
TSW 00
GT 0
GT 1
CPU 1
TSW 10
TSW 01
TSW 11
TSW 02
TSW 12
TSW 03
TSW 13
DLKC 1
DLKC 0
PLO 1
PLO 0
ISAGT
LANI LANI
ISAGT
LANI LANI
ISAGT: PZ-GT13 LANI: PZ-PC19 GT: PH-GT09 TSW: PH-SW12 MUX: PH-PC36
DLKC: PH-PC20 PLO: PH-CK16/17/16-A/17-A
CPU 0
PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS
MUX MUX MUX MUX
Line/Trunk PM
IMG1
PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS
MUX MUX MUX MUX
Line/Trunk PM
IMG2
PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS
MUX MUX MUX MUX
Line/Trunk PM
IMG3
PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS PCM HW PM BUS
MUX MUX MUX MUX
Line/Trunk PM
EMA: PH-PC40 IOC: PH-IO24
EMA IOC/
MISC
MISC BUS