Toshiba STRATA DK24 Manual page 74

INSTALLATION-SYSTEM DESCRIPTION
SECTION 200-096-202
FEBRUARY1991
PEKU
(6 EKT CIRCUITS)
or
PESU
(4 EKT CIRCUITS)
5,
ANALOG
ELECTRONIC
TELEPHONE
t-
STATION PCB
25-PAIR
AMPHENOL
5
EOCU
(FEMALE)
(OPTIONAL
- r7r.D cnn nrn\
MDF
-I
I
BGM SOURCE
TO STATIONS
PHONES AND
CK CONTROLS
I! (NOTEI) ,
I I $41 1 -24Fa4
POWER FAILURE
1
TRANSFER UNIT
DIGITAL ELECTRONIC TELEPHONE/
DIU STATION PCB
DIGITAL CONSOLE3
24 VDC CHARGER
I
ro
PCB
NOTES:
1 BATT
I
AC INPUT-
117VAC
1. Can be on-premises or off-premises
-
+
e (15AMP)
+-~------------I
50160 HZ
(OPS: FC = OL 13A; USOC = RJ2X)
2. All external devices connected to the PCTU,
cxm PBTC CABLE
I
-
12 VOLT +
BAmERY
PEW, PIOU, PSTU, PEMU, and PCOU must
, I
be industry-standard and supplied by the
customer. All devices connected to the
CUSTOMER-SUPPLIED
PDKU and PEKU are Toshiba proprietary.
BAmERIES
3. Requires Release 3.
FlGURE2-IO-SYSTEM FUNCTIONAL BLOCK DlAGRAM(continued)
2-9