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Newswift 90-180 Motorised Antenna 16
4.4 REAR PANEL
The rear panel has a cooling inlet manifold fitted. This allows the internal fan to cool the drive
electronics. This inlet must not be blocked or sealed; otherwise the unit could over heat.
4.5 DCU4000 LEAD CONNECTIONS
The following information gives the details required to directly connect the DCU POWER
cable to the DCU POWER OUTPUT connector on the rear panel of an ACU4XXX.
(Connector J7)
ACU4XXX J7 connector: 9-pin female D-type.
ACU4XXX J7
Pin Number
USignal description UWire Colour
1 +12V DC. (3A max.) RED
6 Power return. (12V supply) BLUE
2 +36V DC supply A. (2.5A max.) GREEN
7 Power return. (Supply A) YELLOW
3 +36V DC supply B. (2.5A max.) WHITE
8 Power return. (Supply B) BLACK
The following information gives the details required to directly connect the DCU COMMS
cable to the DCU COMMS connector on the rear panel of an ACU4XXX. (Connector J1)
ACU4XXX J1 Connector: 25-pin male D-type.
UACU 4XXX J1
Pin Number
USignal description UWire Colour
1 RS-485 TX-A. BLUE
14 RS-485 TX-B. RED
2 RS-485 RX-A. YELLOW
15 RS-485 RX-B. GREEN
13 Antenna transmit microswitch.(COM) ORANGE
25 Antenna transmit microswitch. (NO) VIOLET
12 Antenna transmit microswitch. (NC) PINK
11 Antenna stowed microswitch. (COM) BLACK
23 Antenna stowed microswitch. (NO) WHITE
10 Antenna stowed microswitch. (NC) BROWN