UNC100 Hardware Manual V1.4 RBH Access Technologies Inc.
Page 16 of 36
When combining UNC500s and UNC100s; connect the RS485 of the previous UNC100 to CH3
(Configured as UNC-NET) of the UNC500.
If host connection is made through the RS485 port, then only one panel can be connected.
UNC-NET Cable
Use 20 to 22 AWG shielded stranded twisted pair cable for all UNC-NET connections.
UNC-NET Maximum Cable Length
The maximum distance for any link in the UNC-NET is 2500 feet (760 meters) and the total length cannot
exceed 10000 feet (3000 meters).
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