16 January 2019
Installing the module PLT-01628, Rev. D.2
Note:
႑ The mounting hole diameter is 0.14 inch.
႑ The recommended mounting screw size is #6 (Imperial) or M4 (Metric).
႑ The recommended clearance around the sides of the PAM is least 1 inch to allow for wiring
and access to the SD card.
႑ The recommended clearance between the PAM and the chassis is at least 1 inch for
adequate ventilation.
႑ Unless already provided by the PACS system, connect a tamper switch (default is Normally
Closed) to monitor the enclosure.
4.4 Making jumper connections
The PAM includes jumper locations (TR1, R1, TR2, R2, TR3 and R3) identified as Termination. They apply to the
RS-485 port terminations (the two reader connections and the RS-485 port - intended for future use).
By default, the jumpers are set to OFF.
If your installation uses long wires between the PAM and the readers (for example, 200 feet or greater), or if
there is significant EMF interference, you must install the jumpers. Jumpers need to be installed on the
Termination pins found on the PAM, located above the Reader 2 port (refer to the diagram in Section 3.1
Physical features).
Jumpers are configured in the following pairs:
႑ TR1 and R1 for Reader 1
႑ TR2 and R2 for Reader 2
You must install a resistor (typically 120 ohm, +/- 2 ohm) across the RS-485 terminals of the connected reader
(labeled RXA & RXB for the TR+ & TR- pair and TXA and TXB for the R+ & R- pair on a pivCLASS reader).
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