Specifications

100 Digital Key BX, Digital 400 & Digital 1000 Systems Technical Specifications
TECHNOLOGY
System control
Based on Intel microprocessor and microcontroller
80xxx families.
Communications (internal LAN)
Ethernet style Carrier Sense Multiple Access/Collision
Detection (CSMA/CD) mechanism
Switching
Pulse Code Modulation, Space/Time Division
Multiplexing (TDM)
ISDN
Systems marketed in the United States meet AT&T-
4ESS and 5ESS and NT-DMS100 ISDN Primary Rate
Interface standards, and NI1-5ESS and NI1-DMS100
ISDN Basic Rate Interface standards. Systems marketed
elsewhere meet ETSI ISDN standards for both Primary
Rate Interface and Basic Rate Interface.
Dialing
Out dialing DTMF or pulse dialing
Pulse dialing
Interdigit time 800-1200 msec
Make/break ratio 36-42 msec break/
58-64 msec make
Traffic
Traffic capacity
DIGITAL KEY BX Totally non-blocking
DIGITAL 400 Totally non-blocking
DIGITAL 1000 Essentially non-blocking
POWER SPECIFICATIONS
DIGITAL 400
115 Vac/60 Hz or
230 Vac/50 Hz
500 VA per cabinet
Main output
-48A Vdc/5.5A
+5 Vdc/8 A
-5Vdc/1.3A
Auxiliary output
-48B Vdc/0.3 A
-24 Vdc/0.15A
DIGITAL KEY BX
110 Vac/60 Hz or
230 Vac/50 Hz
150 VA per cabinet
-48A Vdc/1.8A
+5 Vdc/4 A
-5 Vdc/0.3 A
Input
Consumption
Output
DIGITAL 1000
115 Vac/60 Hz or
230 Vac/50 Hz, or -48 Vdc
920 VA per cabinet
Main output
-48 Vdc/12A
+5 Vdc/15 A
-5Vdc/2.5A
-105 Vdc/1.4A
80 Vac/0.4A
Auxiliary output
-48B Vdc/0.3 A
-24 Vdc/0.3A