© Interleader Limited 2017
8 of 30
Printed: 06/09/2017
6
System
The key system elements of the MLC are shown in figure 4 (top removed for clarity).
The three connectors at the top of the unit are IP65 rated and fitted with dust caps (cap colour may
vary).
6.1
Charging & Relay Interface Connector
This 8way Lockable DIN SWUM
1
connector can be connected to an external power supply (12.5
– 30V
DC) to power/charge the unit and provides 4 transistor switch outputs (3 channels + 1 auxiliary) to
switch external power relays.
6.2
VHF and UHF Antenna Connectors
The VHF and UHF antenna connectors are SMA sockets (reverse gender for USA). The supplied whip
antenna is fitted with an SMA plug for direct connection. For fixed installations customers can choose
the most appropriate antenna and cable (See later section on antenna).
1
SWUM
– Sealed When Un-Mated
Int. UHF
Antenna
Wireless
LEDs
Serial
Number
USB Port
Channel &
Aux LEDs
Battery
State LEDs
VHF Rx
Power &
CD LEDs
Battery
Isolator
(under)
‘Click’
sensor
‘Off’ sensor
‘On’ sensor
Status LED
Charger & Relay
Connector
VHF Connector
Charging Power
Studs (bottom face)
Charging
LEDs
UHF
Connector
Figure 4