Instruction manual

Strata DK424i
Functional Block Diagrams
Strata DK General Description 6/00 35
Functional Block Diagrams
The Functional Block Diagrams show the PCBs and interface connectors used for connecting the
stations and peripherals (see Figures 12~14).
Figure 12 KSU Processor and Optional Interface PCBs
Data and Speech Highway
25-pair
or
Terminal Strip
(N/A RSSU)
5210
IMDU
B_C_U
Micro-
Processor
(68000 or 68020)
Flash
or
RAM
Processor PCB
(Optional)
PCM
Switch
System
Tones
Switch
DTMF
Receiver
(4~24 ckts.)
Conf
Switch
BRCS
Twisted
Pair
Music Source: External Zone Page
Background Music
Door Lock or BGM Mute Control Relay
External Zone Page Relays (4 Zones)
External Page Amplifier (600Ω Output)
Music Source: Background Music
and/or Music-on-hold
MOH/BGM
Volume
Control
Main Distribution
Frame (MDF)
MOH/BGM
RCA Jack
Alarm Relay Sensor
Night Bell or MOH (Control Relay)
Battery Charger
12V
Battery
12V
Battery
Twisted Pair
1. Customer-supplied equipment.
RKYS
Option Key
AA/ACD/MIS
(2 or 4 Batteries)
CBRUK
ABR Tone
Detector
(Standard)
BPSU672
Cabinet
Power Supply
ROM
1200 bps Modem
RSSU/PIOU/PIOUS/PEPU
Single Serial Port (N/A PEPU)
SMDR Port (N/A RSSU/PEPU)
RSIU Serial Interface PCB (1 Port)
RSIS/RMDS
Serial/Modem (2400 bps)
Interface PCBs ( 1~3 Ports)
Programmable Serial Port
Modular Jacks or Remote Modem
HMIS
SMDI
Voice Mail
DKi Admin PC
1
Insight DK,
Call Center
Viewer &
ACD/MIS
PC
1
SMDR
Call Accounting
Device or Printer
1
Amplified Page Output (3 Watts)
1
1
1
1
1
1
1
1