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
Loop Limits
Strata CTX General Description 10/04 9
Loop Limits
The table below provides the maximum loop limits for connection of telephones, lines, peripheral
equipment, and power supplies. The following information applies to only the Strata CTX28
system.
Table 5-1 Digital Telephone/BPCI-DI/DDSS Console/ADM/Loop Limits for Strata CTX28
Mode
CTX28 KSU or
Battery Backup
1
1. Battery backup applies to instances when the system is being powered by HPFB-6 batteries exclusively.
Maximum line length (24 AWG)
1 Pair
feet meters
1 Pair plus
external power
2
2. Digital cable runs must not have the following:
Cable splits (single or double)
Cable bridges (of any length)
High resistance or faulty cable splices
DKT300-series or DKT2000-series
models, DKT with BVSU or DVSU or
BHEU or HHEU.
CTX28 KSU 1000 303
1000 feet
303 meters
Battery Backup 695 204
DKT with BPCI
CTX28 KSU 1000 303
Battery Backup 500 151
DKT with BPCI and BHEU
CTX28 KSU 1000 303
Battery Backup 500 151
DDSS3060 or 2060
CTX28 KSU 1000 303
Battery Backup 675 204
DDCB3A
CTX28 KSU 165 50
Battery Backup 500 151
BATI, RATI
CTX28 KSU 1000 303
Battery Backup 1000 303
DKT with 1 ADM
CTX28 KSU 675 204
Battery Backup 165 50
DKT with 2 ADMs
CTX28 KSU 500 151
Battery Backup 33 10