Toshiba STRATA DK14 Installation And Maintenance Manual page 533

DK14 & DK40i KSU
BGM
RCA Jack
PIOUS
TB1
600Ω
Page
Output
PIOU or
PEPU
SPT (38, BK-GN)
600Ω
Page
SPR (13, GN-BK)
Output
25 Pair Cable
Jumper Wires:
TB1 TB2
1-2 3-4
5-6
Internal Wiring:
TBI Voice
4 4
3 3
Door Phone
TBI
7 4
8 3
9 2
10 5
Notes
• The 600 ohm duplex page output is
compatible with most
commercially available talkback
amplifiers. – MDFB not required.
• Only one interface PCB (PIOU,
PIOUS, or PEPU) may provide
talkback amplified speaker.
Figure 12-14 HESB/Talkback Amplified Speaker Wiring
Strata DK I&M 6/00
MDF
MDF
SPT
Duplex
SPR
MDF Block
Pin Numbers
1
25
26
MDF
66 Block
Modular
Connector
May Be Used
115VAC ± 10VAC to 12VDC
External Speaker Unit (HESB) Options
MDFB (Rear View)
Door Phone
Talkback
Microphone
1 2 L1 L2
Jacketed
Twisted Pair
24 AWG
<Duplex>
Volume Control
1 2 3 4 5 6 7 8 9 10
6 5 4 3 2 1 6 5 4 3 2 1
Voice Door Phone
12V 0V
1 2 3 4 5 6
12V 0V
HESB (Rear View)
HACU-120
Power
Converter
Peripheral Installation
Jacketed
Twisted
Pair
24 AWG
L1 L2 1 2
TB1
TB2
Jumpers
4304
12-25