Toshiba Strata DK 24, Installation And Maintenance Manual

Page: 243 / 372

INSTALLATION-WIRING DIAGRAMS
SECTION 400-096-209
SEPTEMBER 1992
9-3
MODE
PPSU
or
Battery Backup
1
DKT Ringing
(Volume Max)
DKT with
DVSU (OCA)
DKT with HHEU
or
Carbon Handset
DKT with PDIU-DI
PDIU-DS
DKT with HHEU
and PDIU
Maximum line length (24 AWG)
1 Pair
NOTES:
1.
2.
3.
4.
2 Pair
1 Pair plus
external power
1000 ft (303 m)
675 ft (204 m)
1000 ft (303 m)
495 ft (150 m)
1000 ft (303 m)
330 ft (100 m)
495 ft (150 m)
165 ft (50 m)
1000 ft (303 m)
675 ft (204 m)
495 ft (150 m)
33 ft (10 m)
1000 ft (303 m)
500 ft (151 m)
1000 ft (303 m)
500 ft (151 m)
1000 ft (303 m)
165 ft (50 m)
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
PPSU
Battery Backup
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
675 ft (200 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
330 ft (100 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
1000 ft (303 m)
DDSS2060A
DDCB
DKT with DVSU
and HHEU
Battery backup applies to instances when the system is being powered by batteries exclusively.
Digital telephones and other PDKU devices can operate at maximum lengths with two pair wiring or an
external power source.
See Figure 9-26 for external power wiring.
Digital cable runs must not have the following:
⁄
Cable splits (single or double)
⁄
Cable bridges (of any length)
⁄
High resistance or faulty cable splices
TABLE 9-D
DIGITAL TELEPHONE/DIU/DDSS CONSOLE/LOOP LIMITS