Vodavi Starplus Hybrid Key Telephone System Installation Manual

STARPLUS@ SPD 1428 & 2856 
Digital Key Telephone Systems 
,-------- 
’ 23 __ 
0 
Figure 400-2 Starplus Expansion KSU (EKSU) 
Issue 1, November 1991 
400-S  

C. 2x4 CO/Station Expander Module 
The SPD 1428 2x4 CO/STA Expander Module is a 
Two (2) CO by four (4) Key Station interface module 
that plugs onto the main key service board of the 
basic KSU or the Expansion Key Service board of 
the Expansion KSU with the use of two ribbon ca- 
bles. This module is a combination board that con- 
tains the necessary circuitry to connect two (2) 
CO/Centrex/PBX loop start lines and four (4) Digital 
Key Telephones to the system. This card also con- 
tains one...

sTARPLUS@ SPD 1428 & 2856 Digital Key Telephone Systems 
D. 4x8 CO/Station Expander Module 
The SPD 1428 4x8 CO/STA Expander Module is a 
four (4) CO by eight (8) Key Station Interface module 
that may plug onto the Expansion key service board 
of the Expansion KSU only. This module is a com- 
bination board that contains the necessary circuitry 
to connect four (4) CO/Centrex/PBX loop start lines 
and eight (8) Digital Key Telephones to the system. 
This card also contains one additional voice (trans-...

400.3 SPD 2856 SYSTEM COMPONENTS 
The following components are necessary to operate 
the SPD 2856 Digital Key Telephone System: (Refer 
to Appendix B for a complete Starplus Digital (SPD) 
Key Telephone System component list with Part #‘s) 
. 
Equipment Cabinet w/Power Supply (KSU) 
. 
Central Processing Board (CPB) 
. 
4x8 CO/Digital Interface Board (CKB) 
0 
4x8 CO/SLT Interface Board (CSB) (Future) 
A. Equipment Cabinet With Power Supply 
WW 
The SPD 2856 system main cabinet contains the 
power supply...

STARPLUS@ SPD 1428 & 2858 Digital Key Telephone Systems 
GND 
El 
3 
B - 
Figure 400-5 Starplus SPD 2856 Equipment Cabinet (KSU) 
Issue 1, November 1991 400-9  

Digital Key Telephone Systems TARPLUS@ SPD 1428 & 2856 
Figure 400-6 Central Processing Board (CPB) 
400-l 0 Issue 1, November 1991  

STARPLUS@ SPD 1428 & 2856 
Digital Key Telephone Systems 
C. 4 x 8 CO/Station Key Interface Board (CKB) 
The CKB is a four (4) CO by eight (8) Key Station 
interface board. The CKB board is a combination 
card that contains the necessary circuitry to connect 
four (4) CO/Centrex/PBX loop start lines and eight 
(8) Digital Key Telephones to the system. This card 
also contains one additional voice (transmit) path for 
external paging, a multi purpose relay and a connec- 
tor for adding one application...

Digital Key Telephone Systems STARPLUS@ SPD 1428 & 2856 
D. 4x8 CO/SLT Interface Board (CSB) (Future) 
The CSB is a four (4) CO Line by eight (8) Single 
Line Station Interface board. The CSB board is a 
combination card that contains the necessary cir- 
cuitry to connect four (4) CO/Centrex/PBX loop start 
lines and eight (8) Standard Single Line Telephone 
(2500 type) to the system. This card also contains 
one additional voice (transmit) path for external pag- 
ing, a multi purpose relay and a...

400.4 APPLICATION MODULES 
A. SPD 1428 Expansion l/O Module (IOM) 
The SPD 1428 contains one RS-232C, I/O port 
(Female, DB-25 type connector) located on the main 
key service board (J5). This optional i/O module 
may be added to the main key service board (on 
connector Ji 5) adding one additional RS-232C port 
(female, DB-25 type connector) and one RS-422 
port (6 pin modular jack connector). Each I/O port 
on this module is capable of transmitting and receiv- 
ing data at 300, 1200, 2400, 4800 and...

Digital Key Telephone Systems sTARPLUS@ SPD 1428 & 2856 
400.5 SPD 1428 & SPD 2856 TERMINALS 
A. 34 Button Digital Terminal (Enhanced) 
The 34 button Digital Terminal is a new line of Digital 
electronic telephone terminals. The line consists of 
an Enhanced (non-display) and an Executive (with 
display). This new line of telephones will be designed 
to operate with the new line of Starplus digital key 
and PBX systems. The 34 button Digital Terminal is 
connected to the KSU via a four wire (two twisted...