OPERATION MANUAL FOR LK4-2 LINK UNIT
NOMAD - LK4-2 OPERATING INSTRUCTIONS PAGE 2 of 2 1. IMPORTANT INFORMATION ............................................................................................... 3 2. INTRODUCTION ................................................................................................................... 3 3. SPECIFICATION ................................................................................................................... 3 3.1 CERTIFICATION ..............................................
NOMAD - LK4-2 OPERATING INSTRUCTIONS 1. PAGE 3 of 3 IMPORTANT INFORMATION FCC ID: OOALK4-2 This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
NOMAD - LK4-2 OPERATING INSTRUCTIONS PAGE 4 of 4 interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. 3.2 CABLE LENGTHS 3.2.1 12V DC POWER CABLING When fitting the link unit ensure that the voltage at the link unit is in the range 10 to 18 V DC. Voltage drop between the power supply and the link units will depend on the cable used and the number of link units connected to a single power supply.
NOMAD - LK4-2 OPERATING INSTRUCTIONS 4. PAGE 5 of 5 INSTALLATION The LK4-2 has been designed to be permanently installed 4.1 MOUNTING Whilst the general location for each link unit will be dictated from a system viewpoint individual link units should adhere to the following guidelines 1. Avoid mounting adjacent to metal pillars etc. 2. The antenna should have a vertical orientation. It is usual to mount the link unit suspended over a main path with the antenna pointing vertically downwards.
PAGE 6 of 6 NOMAD - LK4-2 OPERATING INSTRUCTIONS Take care on 12V DC powered units to observe the correct polarity. Cables connected to the link unit should be fixed so that any moisture running down the cable does not is directed away from the link unit. All glands must be tightened - any unused glands should be fitted with a blanking plug. 4.
NOMAD - LK4-2 OPERATING INSTRUCTIONS PAGE 7 of 7 Note that switch SW1 position 6 (leftmost) is reserved for factory test mode and should be in the 0 (down) position for normal use. 4.4 ANTENNA Screw the antenna directly into the link unit as per figure 1. Never attempt to use a cable to extend the antenna or mount it remotely from the link unit. Never connect anything over than the supplied antenna to the antenna port. 5. MAINTAINENCE The link unit is designed to give maintenance free service.
NOMAD - LK4-2 OPERATING INSTRUCTIONS PAGE 8 of 8 NETWORK DATA CABLE IN AND THROUGH SUSPENSION WIRES ANTENNA PORT LINK UNITS SHOULD BE CENTRALLY MOUNTED ABOVE MAIN PATH. AVOID MOUNTING ADJACENT TO METAL POSTS WHERE POSSIBLE. ANTENNA SHOULD POINT VERTICALLY DOWNWARDS.
