Toshiba Strata Dk24, Dk56, Dk96 Instruction Manual

TOSHIBA  
 
 
 
 
 
 
STRATA DK 
   
 
Strata DK Release 2 & 3 
 
DK24 – DK56 – DK96 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Digital Key Telephone Systems  

3 
.I TOSHIBA AMERICA INFORMATION SYSTEMS, INC. 
I PUBLICATION INFORMATION 
z-. -. 
. 
Toshiba America Information Systems, Inc., Telecommunication Systems Division, reserves 
the right, without prior notice, to revise this information publication for any reason, including, but not 
limited to, utilization of new advances in the state of technical arts or to simply change the design of 
this document. 
Further, Toshiba America Information 
Systems, Inc., Telecommunication Systems Division, 
also reserves...

STRATA DK 
GENERAL END USER INFORMATION 
The STRATA DK Electronic Digital Key telephone systems 
are registered in accordance with the provisions of Part 68 of 
the Federal Communications Commission’s Rules and Regu- 
lations. 
FCC REQUIREMENTS 
Means of Connection: The Federal Communications Com- 
mission (FCC) has established rules which permit the 
STRATA DK system to be connected directly to the tele- 
phone network. Connection points are provided by the 
telephone company-connections for this type...

Str ataEx r
GENERAL DESCRIPTION  

7 
STRATA DK 
GENERAL DESCRIPTION 
DECEMBER 1990 
b *) PARAGRAPH 
1 
2 
3 
4 
TABLE 
A 
B 
C 
D 
E 
F 
G 
H 
I 
J 
K 
L 
M 
N 
0 
P TABLE OF CONTENTS 
SUBJECT 
TABLE of CONTENTS ........................................................................................ 
GENERAL ........................................................................................................... 
Summary ............................................................................................................

STRATA DK 
GENERAL DESCRIPTION 
DECEMBER 1990 
TABLE OF CONTENTS (continued) 
*-. FIGURE LIST -. 
FIGURE NO. 
1 
2 
3 
4 
5 
6 
7 
8 
9 
IO 
11 
12 
13 
14 
15 
16 
17 
18A 
188 
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20 
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SUBJECT 
PAGE 
STRATA DK PERIPHERALS ... 
.............................................................................. 
III 
STRATA DK24, 
DK56, and DK96 CABINETS .................................................... 1 
20-button DIGITAL TELEPHONE...

1 GENERAL 
Summary 
STRATA DK digital key telephone systems are 
advanced key/hybrids that are electrically com- 
patible with the public telephone network (loop 
start CO lines and E & M TIE lines) and can 
function in PBX or Centrex environments. 
NOTE: 
Every time “CO line” is mentioned hereafter, 
the information also applies to Centrex and 
PBX lines. 
Each system can be configured as key or 
hybrid, with separate Federal Communications 
Commission registration numbers for each type. 
The...

I: 
1, STRATA DK 
j GENERAL DESCRIPTION 
i DECEMBER 1990 
TABLE A 
MAXIMUM CONFIGURATIONS 1 
40 
36 
32 
28 
24 
AVAILABLE 
CO LINES 20 
16 
8 
4 
DK24 (PCTUS) DK24 (PCTU)4 
0 8 1624324048566472808896 
AVAILABLE STATION PORTS 
Maximum Configurations 
DK56 
CO lines Stations 
20 24 
16 32 
l-l 
12 40 
8 48 
4 56 
DI 96 
CO lines 
36 40 
32 48 
28 56 
24 64 
20 72 
16 80 
12 88 
8 96 
Stations 
NOTES: 
1. The above station capacities apply to any combination of standard telephones, 6500-series 
electronic...

STRATA DK 
GENERAL DESCRIPTION 
DECEMBER 1990 
grarnming is stored in random access memory 
(RAM). RAM is protected by a lithium battery, 
which has at least a six year life span. 
Microprocessors: The system’s main micropro- 
cessor is a 16-bit 68000-type that operates at 
a clock speed of 8 MHz. It is located on the 
system’s control board (PCTU). Local micro- 
processors are located on all printed circuit 
boards. The local microprocessor is an 8-bit 
TMP90C840-type that operates at a clock 
speed of...