Toshiba Strara CTX Series - Page 266

Peripheral Installation
8-20
Strata CTX I&M September 2002
Figure 8-21 Wiring the Telephone External Ringer with HESB Interface
P1
BH EU
(-)
(+)
(-)
(L2)
(+)
5606
25-Pair
Cable
Jacketed
Twisted Pair
24 AWG
Tip
Ring
PT
PR
Station Cabling
MDF
66 Block
Power
Supply
Modular
DKT2000 or 3000-series
Station
HESC-65A Cable to P601
of HHEU or to P1 of BHEU
Green
Yellow
Red
+
P601
HHEU
(V.3 or .4)
OCA
Strap
R607
Do Not
Cut
6 5 4 3 2 1
Not Used
6 5 4 3 2 1
Not Used
Voice Door Phone
12345
TB2
12V 0V
12V 0V
CW1308 0.5
Jacketed
Twisted Pair
from
Digital
Telephone
to HESB
Jumpers
GN
Y
BL
R
BK
W
GN
Y
BL
R
BK
W
(L2)
654321
123456
654321
123456
TB1
(L2)
Jumper Wires:
TB1
2-10
TB2
4-5
HESB (Rear View)
Internal Wiring:
Volume Control
TBI
1
2
3
4
Voice
6
1
3
4
(+)
(-)
12345678910
BDKU,BDKS, PDKU
or
RDSU
240 VAC
maximum
Install BHEU, HHEU Circuit (V.3 or .4) or HHEU2 card into
base of DKT per BHEU or HHEU installation instructions in
this chapter.