Vodavi Starplus 2448ex Hybrid Key Telephone System Installation Manual

Hybrid Key Telephone System sTARPLUS@ 2448EX 
2448EX Power Supply Tests 
DC/DC CONVERTER’ 
VOLTAGE VOLTAGE TEST POINT 
DESIGNATION READING LOCATION REMARKS 
+5 VDC 
+14 VDC +5 VDC +l% 
+14 VDC &4% Front of DC/DC Con- 
verter Adjustable on front cover 
of DC/DC Converter 
Front of DC/DC Con- 
verter 
*The DC/DC Converter is preset at the time of manufacturing, but should be checked 
at system initialization with a digital volt meter having an accuracy of fl%. 
VOLTAGE 
DESIGNATION 
117VAC 
+24 VDC POWER...

STARPLUS@ 2448EX Hybrid Key Telephone System 
SECTION 800 
MAINTENANCE AND TROUBLESHOOTING 
800.1 PRINED CIRCUIT BOARD (PCB) 
TROUBLESHOOTING CHARTS 
Table 800-l Central Processing Board (CCU) 
KTU FUNCTION CONTROL OPTIONS FAULT OPTIONS 
:cu i.Central Processor Contains 8 process Switch 1 - Write 1 .Compiete system 
;olor Code: Yellow Board (CCU) to con- running indicators Memory failure. 
trot system opera- (LEDs) which indi- OFF _ 
2.Erroneous call 
tion. 
cate “arious condim Protects contents of...

Hybrid Key Telephone System STARPLUS@ 2448EX 
Table 800-l Central Processing Board (CCU) (Cont’d) 
KTU 
FUNCTION CONTROL 
XU (Cont’d) 
Zolor Code: Yellow 
L 
OPTIONS 
I FAULT OPTIONS 
switch 6 - Printer 
rype: 
OFF- 
Normal type 29- 
Character. 
ON- 
Wide type 80-Char- 
acter. 
Switch 7 - SMDR. 
OFF - 
SMDR goes to CCU 
port. 
ON- 
SMDR goes to APB 
port. 
switch 8 - Initializa- 
ion Protect. 
OFF - 
Database will not in- 
itialize. 
ON- 
Database will be in- 
itialized. 
Table 8OG2 DC/DC Converter Unit...

STARPLUS@ 2448EX 
Hybrid Key Telephone System 
Table 8OG4 Key Station Interface Board (KSB) 
L 
K-l-U 
I FUNCTION 
I CONTROL 
I OPTIONS FAULT OPTIONS 
KSB 
Color Code: Green Provides interface Busy state LED that 
for 8 key telephones. monitors circuits for 
busy condition. 
Service switch with 
Normal/Service 
mode. Jane 1 .Unable to receive 
intercom dial tone. 
2.Poor transmission 
characteristics. 
3.Key telephone set 
inoperative. 
4.Key telephone un- 
able to invoke fea- 
tures 
5.No LED indica-...

, 
Hybrld Key Telephone System STARPLUS@ 2448EX 
Table 80&7 SLT Ring Generator (RG) and M/w Power Supply 
KTU 
I FUNCTION 
Single Line Ring 
Generator and M/W 
Power Supply. (RG). 
(Located in EPH) 
I 
Mounted in the EPH, 
the RG provides 90 
VAC 20 Hz ring 
supply to supporl 
SLTs. 
Also provides volt- 
age to light M/W 
lamps on SLTs 
equipped with M/W 
lamps. I 
I 
CONTROL OPTIONS 
Vane. done. FAULT OPTIONS 
11 .SLTs won’t ring. 
/2.M/W light will not 
function properly on 
all SLTs. 
Table 800-8...

STARPLUS@ 2448EX Hybrld Key Telephone System 
Table 800-l 0 RS-232C Module (RSM) 
I FUNCTION 
I CONTROL 
I OPTIONS 
I FAULT OPTIONS 
RS232C Module Provides 2nd None. 
(RSM) Added to APB RS232C port to sys- 
Board. tern for deidcated Selection switches 1 .Loss of SMDR 
on RSM Module data. 
,determine the Baud 
Rate of data sent 
through 2nd RS232C 
1 pofi. 
Table 800-l 1 Power Failure Transfer Unit (PFT) 
KTU FUNCTION 
CONTROL OPTIONS FAULT OPTIONS 
‘ower Failure Trans- Provides relay trans- None. 
er...

Hybrid Key Telephone System STARPLUS@ 2448EX 
800.2 REMOTE MAINTENANCE 
C. Maintenance Password _ 
A. General Overview 
The Remote Maintenance feature allows authorized 
personnel to survey system and slot configuration 
information. This can be done through a modem or 
data terminal connected to the system CPB via the 
RS232C port. The commands are entered from a 
keyboard and are limited to those listed. 
8. Overview of Maintenance Commands 
There are four (4) basic commands available in the 
Remote...

STARPLUS@ 2448EX 
Hybrid Key Telephone System 
E. System Configuration 
Figure 800-2 is a configuration of the Starplus 
2448EX system with LCR and shows what is printed 
out when: 
a. The installer enters D*space>S at the maint> 
prompt. 
?A MONITOR Eng. Vet-. l.lf DATE: 07/2’+/91 TIHE: 11):29:24 ENTER PASSWORD: maint>d s 
SLDT TYPE FW UER. BRD TYPE 
BRD OPTS SEW STRT 
------ ---w-D --------- ---------- ---_______ 
---------__ 
i ecu l.lf CDL 
: co1 
3 
COL co1 
z COL 
co1 
STA : 
KS.0 
6 STA 
: KSB 
7...

Hybrid Key Telephone System 
STARPLUS@ 2448EX 
F. CO Line Configuration 
Figure 800-3 is the CO Line Configuration and 
shows what is printed out when: 
a. The installer enters Dcspace>SP at the maint> 
prompt. 
7Q tlONITdR Eng. Uer. l.lf 
DRTE: 07/2W91 TIflE: 11):31:h5 EKTER PASSWORD: maint>d s2 SLOT : 2 ----------------- 
Slot 
Type : COL 
Board Type: CO1 
co 
STFITUS 
em-0 ------------____________ 
: IN SEWICE 
IN SERVICE 
3 IN SEWICE 
I, 
IN SEWICE 
5 IN SEFUICE 
7 IN SERVICE 
IN SEWICE 
B IN SERJICE...

STARPLUS@ 2448EX Hybrid Key Telephone System 
G. Station Configuration 
Figure 800-4 is the Station Configuration and shows 
what is.printed out when: 
a. The installer enters DqxrceGS at the maint> 
prompt. 
I 
7FI flONITOR Eng. Uer. l.lf DRTE: 07/2r(/91 TIDE: 1’+:56:22 
EMER PFlSSWORD: 
maint>d s5 SLOT : 5 
-----------___--- 
Slot Type : STFl 
Board Type: KSB 
STA TYPE 
------- -------- STRTUS LCD 
---------- ----- 
12 
13 
14 
15 
16 
17 Keyset 
INS Y 
Keyset 
00s N 
Keyset 
INS Y DLS/DSS INS N 
Door...