Toshiba Strata S Electronic Key Telephone System Installation And Maintenance Manual

: 
.I -; . ‘-- OPERATING PROCEDURES 
SECTION 10&00340 
JULY 1994 - 
1) Remove the handset from its hook (do not 
activate the intercom .or a CO line). 
2) Depress the 
q and q k&s, respectively. 
3) Dial a 2-digit address code. 
l Codes run consecutively from 60 through 
99. 
4) Dial the telephone number (up to 16 digits) to 
be stored. 
NOTE FOR BEHIND PBX: 
It may be necessary to insert a pause after the 
trunk access code to 
allow for dial tone delay. 
Depress the [ml key (if the pause is 
required)...

-3) To disable the -Automatic Dialing feature, 
thereby permitting the 
q and q tones to 
output manually, first press the 
q key and 
then the 
q key. 
NOTE:  NOTE: 
Manual dialing only will be possible and the  Manual dialing only will be possible and the 
special 
q and q tones, as well as digits q special q and q tones, as well as digits q 
mm. will be output as dialed. The Automatic  mm. will be output as dialed. The Automatic 
Dizihg feature &llberestoredwhentheEKT 
is hung up. or the CO line is...

OPERATJNG PROCEDURES 
SECTION 106-693469 
JULY 1994 
w.. - 
06.12.0 Do Not Disturb 
06.12.1 
To engage the Do Not Disturb mode 
Depress the ml key. 
0 DND LED will light steady. 
06.12.2 To release Do Not Disturb 
Depress the jml key. 
l DND LED will go off. 
07 Strata 
07.00.0 1 O-key EKT 
S OPTIONS 
07.00.1 The optional lo-key EKT, in initialized 
mode, is equipped with 14 line and feature keys 
including three CO keys, an intercom key, (DNDI, 
and I-1 keys are not equipped with LEDs 
(however, the AD...

e.. 
0740.4 To store telephone numbers 
W 
3A) 
W 
38) 
4) Lift the handset (do not activate the intercom 
or a CO line). 
Depress the (RDLI and m keys, respec- 
tively. 
Dial a 2-digit address code. 
l Codes run consecutively 10 - 19. 
. . . or. . . 
Depress the m key. 
Depress an @ key. 
Dial the telephone number to be stored (16 
digits maximum). 
NOTE FOR BEHIND PBX: 
It may be necessary to insert a pause after the 
trunk access code to allow for dial tone delay. 
Depress the m key (if the pause is...

. OPERATING PROCEDURES 
SECTION 190-90349 
JUtY 1994 - 
station can access the intercom by depress- 
ing the (INTI key (this also cancels the con- 
nection with the answering station. 
NOTES: 
To change from speakerphone to handset 
l Lift the handset. 
To change from handset to speakerphone: 
1. Depress and hold the lsPKR[ key. 
2. Return the handset to on-hook. 
3. Release the I=] key. 
-lO-  

TOSHIBA SYSTEM PRACTICES 
ELECTRONIC KEY TELEPHONE SYSTEM FAULT FINDING 
SECTION 100-003-500 
JULY 1984 
Strata S 
- FAULT FINDING. 
PROCEDURES 
,..-  

TOSHIBA SYSTEM PRACTICES 
ELECTRONIC KEY TELEPHONE SYSTEM FAULT FINDING 
SECTION 19D-903-990 
JULY 1994 
v.. - 
Strata S 
FAULT FINDING PROCEDURES 
TABLE of CONTENTS 
PARAGRAPH SUBJECT PAGE 
01 
02 
03 
04 
05 TABLE of CONTENTS ........................ i 
GENERAL 1 
FAULTCLAW-FIcAT;OI;‘::::::::::::::::::::::: 1 
FAULT CLEARING PROCEDURES ................... 1 
DEFECTIVE APPARATUS RETURNS 1 
................... 
FIGURE 1 -Flow Chart Symbols .................... 2 
FAULT IDENTIFICATION & ELIMINATION...

e.. 
01 GENERAL 
01 .Ol This section describes the maintenance 
procedures used for the diagnosis of faults in the 
Struta S electronic key telephone system. 
Faults are classified and then cleared by replacing 
apparatus and performing operational tests in the 
sequences prescribed by the fault clearing flow 
charts in Paragraph 05. 
02 FAULT CLASSIFICATION 
02.01 A fault classification flow chart is pro- 
vided to ensure that fault clearing is pursued in a 
logical sequence (Chart No. 1). 
02.02 In the...

. FAULT FINDlIG 
SECTION 100-003-500 
;flllY 
1994 . - ‘. 
- 
START AND END OF 
A FLOW CHART SEQUENCE 
IMPORTANT NOTES 
AFFECTING THE FAULT -- 
CLEARING PROCEDURE 
t 
QUESTION TO BE ANSWERED 
YES OR NO 
PROGRESSION TO OR FROM 
ANOTHER FLOW CHART LOCATION. 
LETTER WILL DENOTE EXACT ENTRANCE 
0 
OR EXIT POINT TO/FROM SPECIFIC FLOW CHART [FC) 
STATEMENT OF A 
REQUIRED ACTION 
r-l 
FIGURE ‘I -FLOW CHART SYMBOLS 
NOTE: 04.03 If different and/or additional faults are 
created in the system by substituting a...

v.. 
4) For the MDF-to-EKT cable, a more precise 
check is made using an ohmmeter per Table B. 
‘Nominal voltage-within the power supply limits 
of 23.2% 28.2 VDC while under AC power. 
TABLE B 
STATION CABLE CONTINUITY CHECK USING 
OHMMETER 
1) Disconnect the EKT at the wall. 
2) At the MDF, remove the bridging clips. 
3) Using an ohmmeter, measure the resistance 
between all combinations of the four wires 
at the modular block. All measurements should 
exceed 1 MOhm. 
4) 
5) FAULT FINDING 
SECTlOW...