CHAPTER 2 NDA-24296
Page 102
Revision 1.0
PH-PC20
Data Link Controller

PH-PC20

Data Link Controller

1. General Function
This circuit card simultaneously provides all Attendant Consoles (ATTs) in the system (except the 1-IMG
syste m) with infor mation such as the te rmination /answer/r eleas e (abandoned) inf ormati on of ATT calls, or
the station idle/busy information through the TSW system link.
Figure 2-44 Location of PC-PH20 in the System
Note: MG = 01/03/05/07, Unit = 2, Group = 25, Level = 6-7 are used to input the information into TSW by the
DLKC.
2. Mounting Location/Conditions
DLKC0 DLKC1
GT1
ISAGT1ISAGT0
CPU0 CPU1
GT0
ATTCON
ATTCON
TSW
ISA BUS
MISC I/O BUS
Note
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Mounting Module TSWM
DLKC#0
DLKC#1