CTX28 Installation

Loop Limits

Loop Limits

This section provides the maximum loop lengths for connection of telephones, lines, peripheral equipment, and power supplies. The following information applies to only the Strata CTX28 system (see Table 1-13). Diagrams that are applicable to all systems, including the CTX28, can be found in Chapter 10 – MDF PCB Wiring.

Table 1-13 Digital Telephone/DIU/DDSS Console/ADM/Loop Limits

 

CTX28 KSU or

Maximum line length (24 AWG)

Mode

1 Pair

1 Pair plus

1

 

Battery Backup

feet

meters

external power2

 

 

DKT3000-series or DKT2000-series

CTX28 KSU

1000

303

 

models, DKT with BVSU or DVSU or

 

 

 

 

Battery Backup

695

204

 

BHEU or HHEU.

 

 

 

 

 

 

 

 

 

 

DKT with BPCI

CTX28 KSU

1000

303

 

 

 

 

 

Battery Backup

500

151

 

 

 

 

 

 

 

 

DKT with BPCI and BHEU

CTX28 KSU

1000

303

 

 

 

 

 

Battery Backup

500

151

 

 

 

 

 

 

 

1000 feet

DDSS3060 or 2060

CTX28 KSU

1000

303

 

 

 

 

303 meters

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

 

 

 

 

 

 

 

 

1.Battery backup applies to instances when the system is being powered by batteries exclusively.

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

1-22

Strata CTX I&M 06/04

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Image 42
Toshiba manual Digital Telephone/DIU/DDSS Console/ADM/Loop Limits, CTX28 KSU or Maximum line length 24 AWG Mode Pair