Toshiba Strata DK40 - Loop Limits

Loop Limits DK40 Installation
Strata DK40 I&M Manual Spring 1999
2-53
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
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 to the
Strata DK40 system (see Table 2-15). Diagrams can be found in Chapter 4 – DK40 Universal
Slot PCB Wiring.
Table 2-15 Digital Telephone/DDSS Console/ADM/Loop Limits
Mode
DK40 KSU or
Battery Backup
1
Maximum line length (24 AWG)
1 Pair
2 Pair
2
1 Pair plus
external power
3
DKT
DK40 KSU 303 m
303 m
303 m
Battery Backup 204 m
DKT with DVSU (OCA)
DK40 KSU 303 m
Battery Backup 150 m
DKT with HHEU or
Carbon Handset
DK40 KSU 303 m
Battery Backup 100 m
DKT with RPCIU
DK40 KSU 150 m
Battery Backup 50 m 200 m
DKT with HHEU and
PCIU
DK40 KSU 150 m 303 m
Battery Backup 10 m 100 m
DDSS2060A
DK40 KSU 303 m
303 m
Battery Backup 151 m
DDCB
DK40 KSU 303 m
Battery Backup 151 m
DKT with DVSU and
HHEU
DK40 KSU 303 m
Battery Backup 50 m
DKT with ADM
DK40 KSU 204 m
Battery Backup 50 m
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
Use CW1308 0.5mm twisted pair cable