Dk8 & Dk16 General Requirements - Toshiba Strata DK8 General Description Manual

S T R A T A D K 8 & D K 1 6
G E N E R A L D E S C R I P T I O N
GENERAL
Primary power
Input AC
AC frequency
Power
Environmental specifications
Operating temperature
Operating humidity
Storage temperature
Power supply
DC voltage output
specification
Battery charger characteristics
(DK16 only)
QSTU, KSTU, PSTU or PESU (circuits 1 & 2)
Ring voltage
Ringing capability
RSTU
Ring voltage
Ringing capability
Table A
DK8 & DK16 GENERAL REQUIREMENTS
85 ~ 135VAC
50/60 Hz
DK8-46 watts maximum, DK16-75 watts maximum
32 ~ 104°F (0 ~ 40°C)
20 ~ 80% relative humidity without condensation
- 4 ~ 158°F (-20 ~ 70°C)
DK16
–24VDC: (–26.3 ~ –27.8VDC)
+5VDC: ( +4.5 ~ +5.5VDC)
–5VDC: ( –4.5 ~ –5.5VDC)
Charger: current limiting
Nominal float voltage: 2.275 volts/cell
Charge current: 0.7 amps maximum
Battery discharge cut-off voltage: 20.5 ± 0.5VDC
Square wave output with high/low option jumper:
Low position, 130 ± 20VDC peak–to–peak (no-load)
High position, 190 ± 25VDC peak–to–peak (no-load)
Two ringers maximum per circuit, high or low position
Sine wave output:
80V RMS
Two ringers maximum per circuit
A U G U S T 1 9 9 3
DK8
+24VDC: (+26.3 ~ +27.8VDC)
+5VDC: ( +4.5 ~ +5.5VDC)
Note: +5V converter
on KSU PCB
27