Loop Limits - Toshiba STRATA DK14 Installation And Maintenance Manual

DK40i 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 DK40i
system (see
found in
Table 3-10 Digital Telephone/DIU/DDSS Console/ADM/Loop Limits
Mode
DKT or Cordless base Ringing
(Volume Max)
DKT with DVSU (OCA)
DKT with HHEU or Carbon Handset
DKT with PDIU-DI/
PDIU-DI2/RPCI-DI
PDIU-DS
DKT with HHEU and
RPCI-DI/PDIU-DI/PDIU-DI2
DDSS2060A
DDCB
DKT with DVSU and HHEU
DKT with ADM
Mode
1. Battery backup applies to instances when the system is being powered by batteries exclusively.
2. Digital telephones and other digital devices can operate at maximum lengths with two pair wiring or an external power source.
3. Digital cable runs must not have the following:
Cable splits (single or double)
Cable bridges (of any length)
High resistance or faulty cable splices
4. Battery backup applies to instances when the system is being powered by batteries exclusively.
3-40
Table 3-10). Diagrams that are applicable to all systems, including the DK40i, can be
Chapter 10 – Universal Slot PCB
DK40i KSU or
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU
Battery Backup
DK40i KSU or
Battery Backup
Wiring.
Maximum line length (24 AWG)
1 Pair
1
feet meters
feet
1000 303
675 204
1000 303
495 150 1000
1000 303
330 100
495 150
165 50 675
1000 303 1000
675 204 1000
495 150 1000
33 10 330
1000 303
500 151
1000 303
500 151
1000
1000 303
165 50
675 204
165 50
Maximum line length (24 AWG)
4
2 1 Pair plus
2 Pair
meters external power
303
200
303
1000 feet
303
303
303 meters
100
303
Strata DK I&M
3
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