Toshiba Strata AirLink DK40i, Installation And Maintenance Manual

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DK40i Installation
Loop Limits
3-40
Strata DK I&M 6/00
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
Table 3-10 ). Diagrams that are applicable to all systems, including the DK40i, can be
found in Chapter 10 – Universal Slot PCB Wiring .
Table 3-10 Digital Telephone/DIU/DDSS Console/ADM/Loop Limits
Mode
DK40i 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
2 Pair
2
feet meters
2. Digital telephones and other digital devices can operate at maximum lengths with two pair wiring or an external power source.
1 Pair plus
external power
3
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
DKT or Cordless base Ringing
(Volume Max)
DK40i KSU 1000 303
1000 303
1000 feet
303 meters
Battery Backup 675 204
DKT with DVSU (OCA)
DK40i KSU 1000 303
Battery Backup 495 150
DKT with HHEU or Carbon Handset
DK40i KSU 1000 303
Battery Backup 330 100
DKT with PDIU-DI/
PDIU-DI2/RPCI-DI
DK40i KSU 495 150
Battery Backup 165 50 675 200
PDIU-DS
DK40i KSU 1000 303 1000 303
Battery Backup 675 204 1000 303
DKT with HHEU and
RPCI-DI/PDIU-DI/PDIU-DI2
DK40i KSU 495 150 1000 303
Battery Backup 33 10 330 100
DDSS2060A
DK40i KSU 1000 303
1000 303
Battery Backup 500 151
DDCB
DK40i KSU 1000 303
Battery Backup 500 151
DKT with DVSU and HHEU
DK40i KSU 1000 303
Battery Backup 165 50
DKT with ADM
DK40i KSU 675 204
Battery Backup 165 50
Mode
DK40i KSU or
Battery Backup
4
4. Battery backup applies to instances when the system is being powered by batteries exclusively.
Maximum line length (24 AWG)