Multi-Function Interface Module
Description of Numbered Items in the Diagram
3 Multi-Function Interface Module
Figure 1: Multi-Function Interface Module
3.1 Description of Numbered Items in the Diagram
Following are the numbered items and their descriptions:
OSDP Card reader port:
RS485 communication + 12V output .
To source power from this port to the readers, a jumper setting is required.
(Refer item 8 in this table)
12V, 200mA output
Can be used for any load.
OC 1, 2, 3 - Open Collector Outputs.
Can be used to connect any custom load, that is, either powered from MFI board or
powered externally.
(Refer Section 9 Addendum)
Enable/disable EOL for Reader communication port (J500).
Jumper on the two upper pins – EOL ON.
Jumper on the two lower pins – EOL OFF.
Reader type selector
Only OSDP protocol is supported by default (no jumper required).
Opening tamper switch
Detects if the lid is removed.