Toshiba Strara CTX Series Installation And Maintenance Manual page 266

Peripheral Installation
Jumper Wires:
TB1 TB2
2-10 4-5
240 VAC
maximum
Power
Supply
MDF
66 Block
25-Pair
Cable
BDKU,BDKS, PDKU
or
RDSU
Figure 8-21 Wiring the Telephone External Ringer with HESB Interface
8-20
Volume Control
Internal Wiring:
TBI Voice
1 6
2 1
3 3
4 4
6 5 4 3 2 1
Not Used
Voice
12V
Station Cabling
Tip
Ring
PT
PR
R
Jacketed
Twisted Pair
BK
24 AWG
W
6 5 4 3 2 1
1 2 3 4 5 6
Modular
DKT2000 or 3000-series
HESB (Rear View)
(+)
(-)
(L2)
1 2 3 4 5 6 7 8 9 10
6 5 4 3 2 1
Jumpers
Not Used
Door Phone
12V 0V
TB2
1 2 3 4 5
0V
GN R
(+)
Y BK
BL W
6 5 4 3 2 1
1 2 3 4 5 6
Station
(-) Green
(L2) Yellow
(+) Red
P1
BHEU
Install BHEU, HHEU Circuit (V.3 or .4) or HHEU2 card into
base of DKT per BHEU or HHEU installation instructions in
this chapter.
TB1
CW1308 0.5
Jacketed
Twisted Pair
from
Digital
Telephone
to HESB
GN
(-)
(L2)
Y
BL
HESC-65A Cable to P601
of HHEU or to P1 of BHEU
+
P601
HHEU
(V.3 or .4)
5606
Strata CTX I&M September 2002
OCA
Do Not
Strap
Cut
R607