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INSTALLATION-DK8 KSU & PCB
SECTION 100-816-204
MARCH 1993
FIGURE 4-5
DK8 BASE UNIT JACKS AND CONNECTORS
WARNING
Hazardous voltage inside !
If servicing required,
remove A.C. cord.
QMA
ROM
IC5
J16
RCU
J15
SW1
ON OFF
J17
CONF
J18
CONF
J11 J14
J10 CDU
PAD NOR
SW201
J9 CDU
PAD NOR
SW101
STU
J12
STU
J13
VR701
J20
AC
DC
CN3
J19
J2
J1
C01
QMAU1A
J7
J8
STU STU
J3
C02
PIN 1
42
CN3, J19
POWER SUPPLY
CONNECTORS
AND CABLE
J2, CO LINE 1
MODULAR JACK
(RJ11)
J1, POWER FAILURE
TELEPHONE
MODULAR JACK
(RJ11)
F.G. SCREW FOR
THIRD WIRE
GROUND
CONNECTION TO
POWER SUPPLY
QPSU8 POWER SUPPLY
POWER SUPPLY
MOUNTING SCREW
J15, J16
CONNECTOR FOR
QSTU INSTALLATION
ACN1
POWER CORD
CONNECTOR
25-PAIR FEMALE
AMPHENOL
CONNECTOR (TO
STATION TIP/RING
AND RELAY
CONTACT)
J12, J13
CONNECTORS
FOR QSTU
INSTALLATION
J7, MUSIC-ON-HOLD RCA JACK
J8, EXTERNAL
PAGE RCA JACK
VR701 MOH VOLUME
CONTROL SCREW
ADJUSTER
DK8 MAIN PRINTED
CIRCUIT BOARD
J9, J10
CONNECTORS
FOR QCDU(S)
INSTALLATION
(1-PER QCDU)
MODULAR JACK
COVER HOLDERS
(FOR STORAGE OF
MODULAR JACK
COVERS)
J17, J18
CONNECTOR FOR
QCNU INSTALLATION
J11, J14
CONNECTOR FOR
QSTU INSTALLATION
SW101 (CO1)
SW201 (CO2):
3-db PAD
SWITCHES FOR
CO LINE 1 AND 2
POWER SUPPLY
MOUNTING SCREW
RAM STORAGE BATTERY JUMPER PLUG
RAM STORAGE
BATTERY
J20-CONNECTOR FOR QSMU
PCB INSTALLATION
CN4, BATTERY
CONNECTOR PLUG
BATTERY
CONNECTOR
FOR HPFB
DC POWER
ON/OFF SWITCH
AC AND DC
POWER
INDICATOR LEDs
F201, 3 AMP FUSE
NON-REPLACABLE
YELLOW
WIRES (+24V)
POWER SUPPLY
MOUNTING SCREW
FG
CN4
PF1
HPFB6
HPFB
GROUND
WIRE
TO HPFB6
FG SCREW
CN1
J3, CO LINE 2
MODULAR JACK
(RJ11)
FG1A
FG1A
SYSTEM FRAME
GROUND BAR