Digital Telephone/Diu/Ddss Console/Adm/Loop Limits - Toshiba Strata DK 16 Installation And Maintenance Manual

INSTALLATION-WIRING DIAGRAMS
SECTION 100-816-208
MARCH 1993

DIGITAL TELEPHONE/DIU/DDSS CONSOLE/ADM/LOOP LIMITS

MODE
DKT Ringing
(Volume Max)
DKT with
DVSU (OCA)
DKT with HHEU
or
Carbon Handset
DKT with PDIU-DI/
PDIU-DI2
PDIU-DS
DKT with HHEU
and PDIU-DI/PDIU-DI2
DDSS2060A
DDCB
DKT with DVSU
and HHEU
DKT with ADM
NOTES:
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. See Figure 8-28 for external power wiring.
4.
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 8-D
QPSU/KPSU
or
1
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU 1000 ft (303 m)
Battery Backup
QPSU/KPSU
Battery Backup
8-4
Maximum line length (24 AWG)
1 Pair 2 Pair
1000 ft (303 m)
675 ft (204 m) 1000 ft (303 m)
1000 ft (303 m)
495 ft (150 m) 1000 ft (303 m)
1000 ft (303 m)
330 ft (100 m) 1000 ft (303 m)
495 ft (150 m) 1000 ft (303 m)
165 ft (50 m) 675 ft (200 m)
1000 ft (303 m)
675 ft (204 m) 1000 ft (303 m)
495 ft (150 m) 1000 ft (303 m)
33 ft (10 m) 330 ft (100 m)
1000 ft (303 m)
500 ft (151 m) 1000 ft (303 m)
1000 ft (303 m)
500 ft (151 m) 1000 ft (303 m)
1000 ft (303 m)
165 ft (50 m) 1000 ft (303 m)
675 ft (204 m) 1000 ft (303 m)
165 ft (50 m) 1000 ft (303 m)
1 Pair plus
3
external power
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)