semaphore KINGFISHER PLUS+ Hardware Reference Manual page 245

1. Vent must be installed if enclosure has a battery.
Install a second vent in lower right corner if battery capacity exceeds 26 Ah or if
environmental conditions require greater airflow.
2. Install Backplane low enough to allow for airflow through modules.
3. Radio or Modem.
Note: Radio or Modem can be mounted on rear of door by using DIN rail. Ensure that
the radio is mounted on the top left corner of the door to allow radio to clear the RTU
modules when the door is closed.
4. Gear plate.
5. PSU-x AC Power Supply Unit.
6. Power cable strain relief.
Note: Kingfisher Plus+ modules do not specifically allow for wire strain relief, however,
cable ties can be attached to the enclosures of the modules via the venting slots, or a
self-adhesive cable tie mount can be affixed onto the housing frame.
7. Slotted duct (20 × 60 mm).
8. IO wiring terminal.
9. Double GPO.
One outlet for the RTU and a spare for a laptop. When 7 Ah battery is used, DGPO is
mounted on side of battery bracket (available from your supplier).
10. Lightning arrester. Install high enough to allow easy access for antenna lead connection.
11. Battery bracket. Can rest on front lip of enclosure.
12. Earthing stud. Ensure GPO, Backplane and lightning arrester are connected to this point
using appropriate earthing methods.
Hardware Manual Version 7.16
RTU Installation Example
http://www.servelec-semaphore.com/
Kingfisher Plus+ Hardware Manual
Page 245