Filter
Top Products
CTX28 Installation
Loop Limits
1-22 Strata CTX I&M 06/04
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
Mode
CTX28 KSU or
Battery Backup
1
1. Battery backup applies to instances when the system is being powered by 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
DKT3000-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