Peripheral Installation
8-24
Strata CTX I&M September 2002
Figure 8-23 Amplified Page/Talk-Back with HESB Interface
MDF
123456
12V 0V
HESB (Rear View)
240VAC ± 10VAC to 12VDC
Door Phone
Internal Wiring:
TBI
4
3
TBI
7
8
9
10
Voice
4
3
4
3
2
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.
Jumpers
Voice Door Phone
12V 0V
TB2
12345678910
TB1
6 5 4 3 2 1 6 5 4 3 2 1
Modular
Connector
May Be Used
PIOU or
PEPU
600Ω
Page
Output
MDF
SPT (38, BK-GN)
SPR (13, GN-BK)
25 Pair Cable
<Duplex>
12L1 L2
Volume Control
Jumper Wires:
TB1
1-2
TB2
3-4
5-6
Jacketed
Twisted Pair
CW1308 0.5
Duplex
SPR
600Ω
Page
Output
Jacketed
Twisted
Pair
CW1308 0.5
MDFB (Rear View)
1 2 L1 L2
Door Phone
Talkback
Microphone
PIOUS
SPT
TB1
4304
Power
Converter
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