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
Additional Specifications
8 Strata CTX General Description 10/04
Additional Specifications
Table 5 CTX28 Specifications
Category Items Specification Remarks
Power
Input voltage rating 90-264VAC AC adapter input AC spec.
Input current rating 1.5A max. Full installation
Input frequency 50/60 Hz
AC adapter output voltage +15V/4.0A Note-book type AC adapter
Voltage of inside Power
switch
-27.3V/+5.0V
DC Switch Located inside cabinet
Power failure back up 1 HPFB6: See page 6
Use HPFB6. 27.3V output
from KSU to HPFB6
Grounding
Less than 1 ohm
using third wire ground
Requires adequate
grounding
Environment
Operating Temperature 0 - 40 C
Operating humidity 20 - 80%
Storage temperature -20 - 60 C
CO Line Interface
Network Interface
Network Jack: RJ11 or
RJ21X, FIC: 02LS2
Ringer Equivalance 0.3B
Start type Loop start
Caller ID ANSI Caller ID
Sending dial DTMF Not supported DP dial
PFT
1 circuit available, prepare 1
Modular Jack
Connect PFT-SLT to CO
Line 1 in power failure
Standard Telephone Interface
Ringer Square-wave
REN 1
Message waiting not supported
Supply DC voltage / current 24V / 33mA
Constant current. OPS
class A
Receive dial DTMF/DP
Regulations
Safety
UL60950-1 USA
CSA22.2 NO.60950-1-03 CANADA
EMC
E i t h e r F C C p a r t 1 5 c l a s s A o r
CISPR Pub.22
USA
E it he r I C ES - 0 03 o r
CISPR Pub.22
CANADA
Network Performance
FCC part68 USA
IC CS-03 CANADA
FCC/ACTA Registration
Numbers
ACTA/FCC Part 68 Registration for Key System Code (KD): CJ6KD03BDTCHS28
ACTA/FCC Part 68 Registration for Multifunction Code (MF): CJ6MF03BDTCHS28