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C PowerPak II
MiLLennium GPSCard and Enclosures Guide to Installation & Operation 43
The power card is held in place by card guides located inside the mounting enclosure. It fits into the second slot from the
bottom of the enclosure. It couples to the back plane by means of a special power connector.
CIGARETTE-LIGHTER POWER ADAPTER
The cigarette-lighter power adapter included with the PowerPak II supplies +12 V DC while operating from an
automotive source. On the end of the cord which is inserted into the PowerPak II there is a retaining nut; it threads onto
the socket to keep the plug from accidentally being pulled out. A replaceable 2.5-amp fuse is built into the assembly
which is inserted into the cigarette lighter. The entire unit is shown in Figure 11.
Figure 11 Cigarette-Lighter Power Adapter
1
2
Reference Description
1 Cigarette lighter adapter
2 Retaining nut
AC TO DC POWER CONVERTER (OPTIONAL)
An optional AC to DC power converter is available for the PowerPak II, which allows you to operate the unit from an AC
outlet. The converter is autoranging to accommodate standard line voltages (110 to 220 V AC) and frequencies (50 to 60
Hz). It features a retaining nut on the connector that is inserted into the PowerPak II; when threaded onto the socket, it
prevents the plug from accidentally being pulled out. Its output voltage is compatible with PowerPak II requirements.
For replacement purposes, the NovAtel part number is GPS-APWR.
RS232C Y-TYPE NULL-MODEM CABLE
This serial data cable supplied with the PowerPak II provides a means of communications with a personal computer. As
shown in Figure 12, the cable is equipped with a 9-pin connector at the PowerPak II end which can be plugged into either
COM1 or COM2. At the computer end, both a 9-pin and a 25-pin connector are provided to accommodate most serial
(RS232C) communication ports.
Figure 12 Y-Type Null-Modem Cable
1
1
2
Reference Description
1 DE9S socket
2 DB25S socket