Strata Dk8 Functional Block Diagram; G E N E R A L D E S C R I P T I O N - Toshiba Strata DK8 General Description Manual

S T R A T A D K 8 & D K 1 6

G E N E R A L D E S C R I P T I O N

117 (10 AMP)
50/60 HZ
HPFB
BATTERY
AND CHARGER
(FIRST)
HPFB
BATTERY
AND CHARGER
(SECOND)
NOTE:
One or two optional HPFB reserve
power units may be installed.
(see Table G)
POWER FAILURE
TELEPHONE
LOOP START LINES
• FIC: 02LS2
• REN: 0.2B
CENTRAL OFFICE/
CENTREX/PBX
Figure 7

STRATA DK8 FUNCTIONAL BLOCK DIAGRAM

6
DK8 KEY SERVICE UNIT
AC INPUT
QPSU8
POWER SUPPLY
BATTERY CONNECTOR
RCA JACKS
QCNU QRCU
(STANDARD (OPTIONAL)
CONFERENCE DTMF/ABR
PCB) RECEIVERS (3)
QKYSU
(OPTIONAL)
AUTO
ATTENDANT
FEATURE KEY
KSU MAIN CIRCUIT BOARD
(STANDARD)
4 — DIGITAL TELEPHONE CKTS
2 — LOOP CO LINE CKTS
PFT
LINE 1
RJ11
CO1
MODULAR JACK
LINE 2
CO2
QCDU
(FIRST/OPTIONAL)
2 — DIGITAL TELEPHONE CKTS
1 — LOOP CO LINE CKT
LINE 3
CO3, RJ11 MODULAR
QCDU
(SECOND/OPTIONAL)
2 — DIGITAL TELEPHONE CKTS
1 — LOOP CO LINE CKT
LINE 4
CO4, RJ11 MODULAR
QSTU
(OPTIONAL)
2 — STANDARD
TELEPHONE CKTS
QSMU
(OPTIONAL)
TTY OR SMDR
INTERFACE CKT
3-PAIR MODULAR
INTERFACE
600
AMP
PAGE
OUTPUT
MOH/BGM SOURCE
DIGITAL TELEPHONE
AND ADD-ON MODULE
DIGITAL TELEPHONE
DDCB
DOOR PHONES AND LOCK CONTROL
RELAY
CONTACT
NIGHT BELL, BGM MUTE, OR
MOH (CONTROL RELAY)
DIGITAL TELEPHONE
AND ADD-ON MODULE
DIGITAL TELEPHONE
WITH INTEGRATED
DATA INTERFACE
STAND-ALONE
DATA INTERFACE
DIU TOSHIBA
POWER READY CONNECT
STANDARD TELEPHONE
25-PAIR AMPHENOL CONNECTOR
A U G U S T 1 9 9 3
SPEAKER
MDFB
SHARED
PRINTER
FAX
SMDR
PRINTER
OR MAINTENANCE
TERMINAL OR MODEM