Toshiba strata DK8 Installation Instructions Manual page 54

INSTALLATION-DK8KSU &PCB
SECTION lOO-816-204
MARCH1993
DK8 OR DK16
MDF KSU MAIN PCB
POWER AVAILABLE
2
CONNECTION
T
\ 3
iNoE
/ KCOU
CO LINE 1
R, 4
.*4
/
5
"'b
MDF
MOD JACK CO1
WV
'--1
POWER FAIL
CONNECTION
R ,
0
STAPNFdrARD
TELEPHONE
T ,
/
MOD JACK PFl
(BASE UNIT)
FIGURE 4-6
DK8 KEY SERVICE UNIT POWER FAILURE TRANSFER (PFT) CIRCUIT DIAGRAM
4-8