Warning: Product grounding
Before applying power to this product, ensure it has been correctly grounded, in
accordance with the instructions provided.
Grounding — Dedicated drain wire
The power cable supplied with this product includes a dedicated shield (drain) wire for connection to
a vessel's RF ground point.
It is important that an effective RF ground is connected to the system. A single ground point should
be used for all equipment. The unit can be grounded by connecting the shield (drain) wire of the
power cable to the vessel's RF ground point. On vessels without an RF ground system the shield
(drain) wire should be connected directly to the negative battery terminal.
The dc power system should be either:
• Negative grounded, with the negative battery terminal connected to the vessel's ground.
• Floating, with neither battery terminal connected to the vessel's ground
Warning: Positive ground systems
Do not connect this unit to a system which has positive grounding.
7.4 Keypad connections
The keypad can be connected directly to a multifunction display’s (MFDs) network connector or via
a network switch. Multiple keypads can be connected to a system. Each keypad can be used to
control multiple MFDs. If the network is not providing Power over Ethernet (PoE) then the keypad
must be separately powered using the alternate power connector.
Note:
When connecting the keypad to a gS Series or Axiom XL MFD, ensure that the supplied
RayNet cable is connected with the suppression ferrite fitted on the end of the cable closest to
the MFD.
Direct MFD connection with PoE
1.
gS Series or Axiom XL (MFD providing PoE)
2. RMK keypad
3.
RayNet network cable (with suppression ferrite fitted)
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