
5
4.1.1 System Firmware 9.2.1 or Newer
The UIO-256 must be configured to work in Multi-Drop
mode. Set DIP switch 1-2 to the CLOSED position. Up
to 16 UIO-256 frames are allowed to be connected
together.
4.1.2 System Firmware Older than 9.2.1
The UIO-256 must be configured to work in Token Ring
mode. Set DIP switch 1-2 to the OPEN position. Up to
four UIO-256 frames are allowed to be connected
together.
4.1.3 DIP Switch Functions
SW1-1: Diagnostics mode. Leave in OPEN
position for normal operation. If open, GPI outputs
operate normally. If closed, GPI outputs track the
corresponding GPI inputs
SW1-2: Communications Mode
Open = Token Ring
Closed = Multi-Drop (default)
SW1-3: Unused. Leave in OPEN position.
SW1-4 to SW1-7: Frame number
SW1-8: Baud rate for communication between
UIO-256 and the intercom system. Must be closed
(76.8K baud).
FRAME
NUMBER
SW1-1 SW1-2 SW1-3 SW1-4 SW1-5 SW1-6 SW1-7 SW1-8
GPI INPUT /
OUTPUT
NUMBERS
1Open
Open/Closed
see text
Open Open Open Open Open Closed 001-016
2Open
Open/Closed
see text
Open Closed Open Open Open Closed 017-032
3Open
Open/Closed
see text
Open Open Closed Open Open Closed 033-048
4Open
Open/Closed
see text
Open Closed Closed Open Open Closed 049-064
5* Open Closed Open Open Open Closed Open Closed 065-080
6* Open Closed Open Closed Open Closed Open Closed 081-096
7* Open Closed Open Open Closed Closed Open Closed 097-112
8* Open Closed Open Closed Closed Closed Open Closed 113-128
9* Open Closed Open Open Open Open Closed Closed 129-144
10* Open Closed Open Closed Open Open Closed Closed 145-160
11* Open Closed Open Open Closed Open Closed Closed 161-176
12* Open Closed Open Closed Closed Open Closed Closed 177-192
13* Open Closed Open Open Open Closed Closed Closed 193-208
14* Open Closed Open Closed Open Closed Closed Closed 209-224
15* Open Closed Open Open Closed Closed Closed Closed 225-240
16* Open Closed Open Closed Closed Closed Closed Closed 241-256
Table 1. UIO-256 DIP Switch 1 Configuration.
NOTE: Frame numbers 5-16 are possible only when using multi-drop mode.
4.2 Voltage Section
Set the 110/220 VAC selector according to local power
standards.
4.3 Mounting
UIO-256 Frames are generally mounted in the front of
an equipment rack near a Master Controller Breakout
Panel for ADAM intercom systems or near the matrix
frame for ADAM CS intercom systems. When position-
ing a UIO-256, consideration should be given to the
visibility of the front panel status indicators and access
to the reset switch. Also, consider access to the rear
panel for fuse replacement or changes to the DIP switch
settings, etc. There are no ventilation requirements.
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