Toshiba STRATA DK24 Manual page 25

STRATA DK
GENERAL DESCRIPTION
DECEMBER 1990
z4.
DKSU 24/56/96
-
PCOU
LINE
P-PAIR
~ _ MODCORD
LOOP START
LINE PCB
(4 CIRCUITS)
LINE
'2-PAIR
1 AND2
MODULAR
P-PAIR ' - JACK
~ _ MODCORD 1
*
I I
MODULAR ' -
LOOP START LINES
* FIC: 02LS2
. USOC: RJI 4C
. REN: 0.2B
I I
i id 4 E&M
L4t bW
kl
L%
I
I I I
I 1 *I ~~
TIE-LINE
l-z-l I I
E&M TIE LINES
I I
I I 3 PCB 31 ,",:: I l-l+
. FIC:
2-W; TLI 1 M
4-W: TL31 M
usoc:
2-W; RJPEX
4-W; RJPGX
S-PAIR
MOD CORD
I
'3-PAIR
1
MODULAR
1
JACK
cl
i%
MDF
!MlNG TERMINAL OR MODEM
CALL ACCOUNTING DEVICE f!-fj opTlo;~N~~;C~~y 1
MAIN DISTF
FRAME MC
I&
.
REN:
NIA
I
25PAIR AMPHENOL
(PlOU/PEPU)
OR
SPRING TERMINAL STRIP
I
AMPLIFIED PAGE OUTPUT
MUSIC SOURCE: EXTERNAL ZC
BACKGROUND MUSIC
I
DOOR LOCK OR BGM MUTE CONTROL RELA\I
MAIN
PCTU
CONTROL PCB
(SEE TABLE B)
TWISTED PAIR '
NIGHT BELL OR MOH (CONTROL RELAY)
ALARM RELAY SENSOR
1
EXTERNAL ZONE PAGE RELAYS (4 ZONES)
EXTERNAL PAGE AMPLIFIER
-1 II RECEIVER II I
MUSIC SOURCE: BACKGROUND AND/OR
-
I
I
MUSIC-ON-HOLD
I \
,
-
TWISTED PAIR
MOHlBGM
VOLUME
CONTROL
FIGURE 18A-DK FUNCTIONAL BLOCK DIAGRAM
-18-