Instruction manual
Table Of Contents
- Contents
- Introduction
- Strata CTX28 Overview 1
- Strata CTX100-S / CTX100 Overview 2
- Strata CTX670 Overview 3
- Capacities 4
- Universal Slot Circuit Cards 5
- Telephones and Peripherals 6
- Features 7
- Account Codes
- Add-on Module (DADM)
- Advisory Messages
- Alternate Answer Point
- Automatic Busy Redial
- Automatic Call Distribution (ACD) Server
- Automatic Callback (ACB)
- Automatic Line Selection
- Automatic Release
- Background Music (BGM)
- Call Completion
- Call Forward
- Call History
- Call Park
- Call Pickup
- Call Waiting
- Caller Identification
- Camp on Busy
- Cancel Button
- Centrex/PBX Compatible
- Centrex Ringing Repeat
- Classes of Service (COS)
- Computer Telephony Integration (CTI)
- Conference Calls
- Continuous DTMF Tone
- Credit Card Calling
- CTX WinAdmin
- Data Privacy
- Day/Night Mode - Auto Schedule
- Delayed Ringing
- Destination (Toll) Restriction
- Direct Inward Dialing (DID)
- Dialed Number Identification Service (DNIS)
- Digital Pad
- Direct Inward System Access (DISA)
- Directory Numbers
- Distinctive LED Indicator
- Distinctive Ringing
- Do Not Disturb (DND)
- Direct Station Selection (DSS) Buttons
- DTMF Receivers
- Emergency Call
- Feature Prompting with Soft Keys
- Enhanced E911
- External Amplified Speaker
- Flash Button
- Flexible Line Ringing
- Flexible Numbering
- Handsfree Answerback
- Headset
- Hearing Aid Compatible
- High Call Volume Buttons
- Hold
- Hot Dialing
- Hotline Service
- IP Telephony
- Private Networking Over Internet Protocol
- Integrated Services Digital Network (ISDN)
- Least Cost Routing (LCR)
- Line Buttons
- Live System Programming
- Lost Call Treatment
- Message Waiting
- Microphone (External Unit)
- Music-on-hold
- Multiple Call/Delayed Ringing
- Off-Hook Call Announce (OCA)
- Off-Premise Stations
- Override
- Paging
- Power Failure Protection
- Privacy
- Repeat Last Number Dialed
- Ringing
- Speed Dial
- Station Hunting
- Station Message Detail Recording (SMDR)
- Strata Net Multi-system Networking
- System Fault Finding and Diagnostics
- Transfer
- Tenant Services
- User Programming Mode
- Voice or Tone Signaling
- Voice Mail Integration
- Volume Control
- Appendix - Specifications
- Index

Strata CTX28 Overview
CTX28 Functional Block Diagram
Strata CTX General Description 10/04 7
CTX28 Functional Block Diagram
The Functional Block Diagram below shows the circuit cards and interface connectors used for
connecting the stations and peripherals.
Digital
Telephone
(DKT) and
Add-on
Module
DDCB
Cordless
DKT
Power Failure
Telephone
(Co Line 1)
MDFB
Door Phones and
Lock Controls
Standard
Telephone
1-Std. Tel. Circuit
1-Std. Tel. Circuit
25-pair
Amphenol
Connector
8-Digital Tel.
Circuit
8-Digital Tel.
Circuit
PFCT
Digital
Telephone
Digital Telephone
with DSS Console
Page ScrollMode Feature
Msg
Mic Redial
Spdial
Spkr
Cnf/Trn
Hold
Vol
Page ScrollMode Feature
Msg
Mic Redial
Spdial
Spkr
Cnf/Trn
Hold
Vol
Page ScrollMode Feature
Msg
Mic Redial
Spdial
Spkr
Cnf/Trn
Hold
Vol
7430
GCTU
GVMU - Voice Mail/
Auto Attendant
(optional)
Processor PCB
Up to Four Programmable Serial
(RS-232) Port Modular Jacks
Available
(RCA Jack) 600 ohm Interface to
Music On Hold and/or
Background Music Source
(RCA Jack) 600 ohm Interface to
External Paging Amplifier
(Relay Contact) for Night Relay,
Door Lock, or Page Mute
ACD
(CSTA)
SMDR
Call
Accounting
Remote CTX
WinAdmin PC
Attendant
Console
BSIS
KSU Mother Board
GCDU (Optional)
KSU Mother Board
Power Circuit
(Optional)
Conference
SW with PAD
Reserve Power
Remote
Maintenance
Modem
HPFB-6
Battery/Charger
AC Adaptor
MDF
120V AC, 60Hz
Ethernet
Interface
100Base TX
(Optional)
GETS
RJ45
DTMF/ABR
Receivers
Smart Media
Maintenance
and
Customer
Database
WAN/
Internet
Hub
or
LAN
SMDI for
Toshiba Proprietary
Integration
Toshiba Proprietary
Soft Key LCD Link
Stratagy ES
Voice Mail
3-loop
start lines
with Caller ID
3-loop
start lines
with Caller ID
Network
Demarcation
Point
•
•
•
Central Office
Centrex
PBX
GSTU
(Optional)
FAX or Modem
Figure 4 CTX28 Functional Block Diagram