Toshiba Strata Xiie, Strata Xxe Electronic Key Telephone Systems Installation And Maintenance Manual

Strata XII, & XX, 
SYSTEM RECORD 
JULY 1988 
PROGRAM 7XX-STATION OUTGOING CALL RESTRICTION 
KEY/LED FEATURE STATION NUMBERS 
10/11j12/13~44~15~16~17~18~19(20~21(22~23~24~26~26(27~28~29/30/31~32~33~34~36/36/37~38(39~40/41 
CO21 pnctrirtml --- Ir.sLI I”Lb” 
co20 Restricted 
co19 Restricted 
CO18 Restricted 
co17 Restricted 
CO16 Restricted 
co15 Restricted 
co14 Restricted 
co13 Restricted 
co12 Restricted 
co11 Restricted 
co10 Restricted 
co9 Restricted 
CO8 Restricted 
co7 Restricted 
CO6 Restricted...

Strata XII, & XX, 
SYSTEM RECORD 
JULY 1986 
PROGRAM 8Xx-CO RINGING ASSIGNMENTS-DAY 
co15 Ring in DAY 
co14 Ring in DAY 
co13 Ring in DAY 
co12 Ring in DAY 
co11 Ring in DAY 
co10 Ring in DAY 
co9 Ring in DAY 
CO8 Ring in DAY 
co7 Ring in DAY 
CO6 Ring in DAY 
co5 Ring in DAY 
co4 Ring in DAY 
co3 Ring in DAY 
co2 Ring in DAY 
co1 Ring in DAY, 
r co1 1 Ring in DAY1 
/ / / I I I I I I I 
I I I I I I 
X = Select (LED on) Initialized Data: Station lO-all LEDs on; all other LEDs off 
NOTE. 
Each line can...

Strata XII, & XX, 
SYSTEM RECORD’ 
JULY 1986 
PROGRAM 8#XX-CO RINGING ASSIGNMENTS-DAY 2 
Rinn 
in nav ,,,m,y III “a-l, L 
co19 Ring in DAY 2 
CO18 Ring in DAY 2 
co1 7 Ring in DAY 2 
CO16 lRinginDAY2) 1 ) 1 11 ) ) I I I ) ) ) / I ) I ) j I I ) ) 1 ) j ) j ) ) 1 
~015 1 Ring in DAY 2 j ( 1 1 1 ( 1 1 1 1 I ) 1 I I I ) 1 I I ( 1 1 I I I I / I 1 I I 
co14  co14 Ring in DAY 2  Ring in DAY 2 
co13  co13 Ring in DAY 2  Ring in DAY 2 
co12  co12 Ring in DAY 2  Ring in DAY 2 
co11  co11 Ring in DAY 2  Ring in DAY...

Strata XII, & XX, 
SYSTEM RECORD 
JULY 1986 
PROGRAM 9Xx-CO RINGING ASSIGNMENTS-NITE 
KEY/LED 
FEATURE STATION NUMBERS 
10~11 II 2~13~14~15~16~17/18~19~20~21/22~23~24~25)26~27j2B~29~30~31 132133/34/35(3613713Bl39(40(41 
rn3i RinninNlTF ///lllIIl/I///lIll/llIIIlIIIIll 
CO18 
co17 
CO16 
co15 
co14 
--- . . . . . . _ . - 
I 
I 
co7 Ring in NITE 
CO6 Ring in NITE 
co5 Ring in NITE 
co4 Ring in NITE 
co3 Ring in NITE 
co2 Ring in NITE 
co1 Ring in NITE 
KEY/LED FEATURE STATION NUMBERS...

TOSHIBA SYSTEM PRACTICES 
ELECTRONIC KEY TELEPHONE SYSTEM FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
Strata XII, & XX= 
FAULT FINDING PROCEDURES  

FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
STRATA XII, & XX, 
FAULT FINDING 
TABLE OF CONTENTS 
PARAGRAPH SUBJECT PAGE 
01 
02 
03 
04 
05 
06 
07 
07.01 
07.10 
CHART NO.l-FAULT CLASSIFICATION .............................. 4 
CHART N0.2-POWER FAULTS. ..................................... 
6 
CHART N0.3-STATION FAULTS ..................................... 7 
CHART N0.4-HKSU FAULTS ....................................... 9 
CHART NO.!!&CO LINE FAULTS.. ................................... IO...

01 GENERAL 
01 .Ol This section describes the maintenance 
procedures used for the diagnosis of faults in this 
electronic key telephone system. Faults are clas- 
sified and then cleared by replacing the apparatus 
and performing operational tests in the se- 
quences prescribed by the fault clearing flow- 
charts in Paragraph 05. 
02 FAULT CLASSlFlCATlON 
02.01 A Fault Classification Flowchart is pro- 
vided to ensure that fault clearing is pursued in a 
logical sequence (Chart No. 1). 
02.02 An...

FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 
Fault Classification Flowchart, which is arranged 
in the correct fault locating sequence. 
03.06 The following precautions must be ob- 
served when handling PCBs. 
DO NOT: 
l Drop a PCB. 
0 Stack one PCB on top of another. 
0 Handle a PCB without discharging any static 
electrlclty from your person by touching the 
grounded HKSU. 
0 Touch PCB contacts with your fingers. 
IMPORTANT! 
If the fault is not cleared by substituting a 
PCB, the original PCB...

FAULTFINDING 
SECTION 300-020-500 
DECEMBER 1986 
07.10 Ohmmeter Test 
Oaol 1 The continuity of the cable run between 
the HKSU and the EKT is checked with an ohm- 
meter as follows:  NOTE: 
Perform the following at the locations indi- 
cated: 
1. Modular block: Check all station cables. 
2. MDF: Check cable from HKSU to MDF. 
1) Disconnect the EKT. 
2) Using a DC voltmeter, measure between the 
wires of the two pairs to verify the readings 
shown in Table B. 
3) An improper reading indicates an open,...

FAULT FINDING 
SECTION 300-020-500 
DECEMBER 1986 CHART NO. 1 
FAULT CLASSIFICATION 
Please read the 
maintenance 
lnformatlon 
before proceeding. 
To Start here to 
clear faults I” 
STRATA XII, & XX,. 
Check fuses, 
ctrcuht breakers 
lndlcators 
To 
NOTf: Verify 
STA U installed.