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Model 4734 Access Control Expander Installation Manual (P/N 150807, Rev. A) Revised 5/98
3
Figure 1: Model 4734 Installation
*If you are upgrading a Rev. M 4720 board:
Use 4734 Access Expander
Use 130315 Adapter
*If you are upgrading a Rev. N or later 4720 board:
Use 4734-2 Access Expander
Use 130316 Adapter
NOTE *4720 board revision labeled on board
**4734 uses 50747 series control chip
4734-2 uses 38000 series control chip
2.2 Access Control
For access card performance with the 4734, use the Model 4420 Interface or 4660C touchpads
with card readers. Refer to the 4300 Installation and Operation Manual (P/N 150497) for
information on how to install the access control system.
Model 4720
Adapter (P/N 130315 or 130316)
Pin 1
Model
4734/4734-2
8457G19A.DSF
23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
**Control Chip
7
89
10
111213
14
15
16
17
18
19
20
21
22
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