Toshiba Strata Vi Electronic Key Telephone System Installation And Maintenance Manual

1, All models of the External 
Power Supply Assembly (EPSA) are 
equipped with a built-in wall mounting 
bracket, as shown in Figure 1, to allow 
the EPSA to be mounted on a wall or 
other flat) vertical surface. 
1 I 
SPARE 
FUSES 
Unpack and inspect the EPSA 
and the enclosed hardware. The fol- 
lowing hardware, which is required to 
mount and connect the EPSA to the 
system, is supplied with each EPSA. 
ANCHOR 
TOGGLE? 
FLANGE 
I 
TOG&ER 
NECK LEGS 
2 T.C. Toggler Wall Fasteners 
(Figure 2). 
2 #I4...

Insert a toggler key into the 
small hole in the neck of the fastener, 
as shown in Figure This should 
cause the anchoring legs to !fpop’l 
open. Even if the mounting surface is 
too thick to permit the legs to open 
fully, adequate support for the EPSA 
should be provided when the screws are 
in place. Remove the toggler key. 
second hole. 
Thread the #14 hex head 
sheet metal screws into the small holes 
in the center of the togglers. Leave 
approximately 3/16-inch clearance be- 
tween the bottom of...

,’ 
Place the spare 10 amp DC 
fuse in the center fuse storage clip 
located on the side panel of the EPSA 
(Figure 6). 
Place the spare 5 amp SLO- 
BLO AC fuse in the clip below the DC 
fuse clip. 
Remove and inspect the fuses 
that were shipped inside the EPSA. If 
the visual inspection reveals a de- 
fective fuse, remove the appropriate 
spare from its storage clip and replace 
the defective fuse. (Order anot her 
spare fuse.) 
The Power Battery Back-up 
Assembly (PBBU) in Figure 7 is an 
optional PCB...

TERMINAL 
ST RIP 
C FUSE 
PBBU-Power battery backup PCB. 
Fuse-A spare battery protection 
fuse. 
Cable Clamp-A 
7/l 6-in e cable 
clamp which may be needed to 
secure the wiring harness inside 
the EPSA. 
“PBBU-REV 3”--An adhesive-backed 
decal to be placed on the front 
face of the EPSA. 
Warning Tag-A warning tag to be 
attached to the EPSA 115VAC 
power cord. 
In addition to those items 
supplied in the PBBIJ kit, the following 
additional items are needed to install a 
PBBU in an EPSA: Two...

between the batteries and 
the 
EPSA. The minimum wire size 
must be determined by the loop 
length of the connecting cable as 
indicated in Table A. 
12 ft. 16 gauge 
20 ft. 14 gauge 
30 ft. 12 gauge 
50 ft. 10 gauge 
Single Wire Cable--A 16 AWG sin- 
gle wire cable, approximately 1% 
inches in length and equipped with 
ring terminals, 
is required to con- 
nect the two batteries in series. 
Cable Clamp-A cable clamp should 
be used to relieve strain on the 
battery cable to prevent cable 
movement from...

Remove the terminal stri 
m the 
9 
termin * 
2. The EPSA cover is secured by 
seven screws. 
Viewing the EPSA as if 
it is wall-mounted, two screws will be 
located at the rear edge of the top of 
it, three on the side facing outward 
and two on the rear edge of the bottom. 
5 Remove all seven screws. 
Remove the cover and set it 
aside. 
Locate and trace the multi- 
wire harness in the lower portion of 
the EPSB (the 
area away from the 
built-in mounting bracket). The harness 
originates from the...

flush against the rear of the control 
panel with the fuse holder and override 
button protruding through it. 
The 
harness should flow around the PBBU 
PCB, with no wires beneath it. 
Align the two tan-colored 
PBBU pins with the two holes in the 
heat sink (Figure 10). 
Press the pins 
into the holes until they catch and hold 
the PBBU PCB. 
Use the previously removed 
screw and secure the PBBU mounting 
bracket to the control panel. See 
Figure 11. 
Plug the rust-colored eon- 
nectar into the...

as well as the EPSA terminals, are 
marked positive (+) or negative (-). 
See Figure 12. Natch positive to 
positive and negative to negative. 
Connect the battery fuse (or 
circuit breaker) lead to the negative 
terminal on one battery (Figure 13). 
CABLE MARKER 
WASHER/ 
/ 
HEX HEAD BOLT/ 
Attach the 
negative wire 
from the connecting 
cable to the 
r battery. fuse (or circuit breaker). 
Connect the positive wire to 
e positive pole of the battery to 
which the fuse connected (see 
Figure 12). Connect...

TABLE OF CONTENTS e - a a e a 0 e 0. e . $0 a a e e e e . e . . a. e a. e a 
INTKODUCTION s . e . . . . e o s o e. a a e a a e e o 0. ~~0*~*.~*~~.* 
PROGRAitiMING PROCEDUKES o . q e a e. a e a -. . a *. II a -. *. q n. a a 
GENERAL . . q a . + a s . . e o . . e e s s o e e a a 0. a 
PREPARATION e a a 0 a. a.. . . . . . . . . . . . . . . . . . . . . . . . . 
SYSTEM OPTIONS e a + a s a n o . s e . . e **.*.1o*e.*..am*** 
CO LINE OPTIONS . Q a a e a e . . .e a.. .*,***...eaanaa* 
STATION OPTIONS . . . o s a...