JUMPER SETTINGS
iWatch Access Control Panel provides two Modes of communication.
1) Weigand Communication.
2) Serial Communication.
We can achieve any desired type of communication protocol just by selecting the Jumpers or Changing the Jumper Settings. When a jumper is placed over two or more jumper pins, an electrical connection is made between them, and the equipment is thus instructed to activate certain settings accordingly.
Fig: JP1B1 is one of a jumper present on iWatch Access Control Panel.
JUMPER:
In electronics and semiconductor context, a jumper is a short length of conductor used to close or break an electrical circuit. Jumpers are typically used to set up or adjust printed circuit boards. Jumper pins (points to be connected by the jumper) are arranged in groups called jumper blocks, each group having at least one pair of contact points and often more. Sometimes these groups are referred to as headers. In general, each contact in a jumper block terminates in a small metal pin. An appropriately sized conductive sleeve called a jumper is slipped over the pins to complete the circuit.
Jumpers must be electrically conductive; they are usually encased in a non-conductive block of plastic for convenience. This also avoids the risk that an unshielded jumper will accidentally short out something critical (particularly if it is dropped on a live circuit).
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