Neptune R450 MC, Installation And Maintenance Manual

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Troubleshooting
42 R450 Mini Collector Installation and Maintenance Guide
4 Reconnect the power plug to the R450 MC and wait 30 seconds for
the unit to power-up.
Figure 63 Radio Module Power
5 Use the Digital Volt-Ohm-Multimeter to measure the voltage on the
6-pin connector across the red and black wire; there should be
5VDC.
The red lead is positive; the black lead is negative (5V DC).
6 Be sure there is 12V DC between the orange (+) and black (-)
wires.
Cellular Modem Overview
CalAmp’s Vanguard 3000 modem is designed for operation on both
GSM and CDMA networks. It offers more choice and redundancy in
carrier networks.
If the voltage is above or below these values, it indicates that the power
supply is defective. Return the R450 MC to Neptune's repair facility.
Table 7 CDMA Bands and Speeds Supported by
Vanguard 3000
CDMA Technology Bands Downlink Uplink
EVDO Rev A (IS-856-
A) • 800 MHz
Cellular
• 1900 MHz PCS
• 2100
3.1 Mbps 1.8 Mbps
1xEVDO Rev 0 (IS-
856) • 800 MHz
Cellular/
• 1900 MHz PCS
• 2100
2.4 Mbps 153.6
kbps
1xRTT (IS-2000) • 800 MHz
Cellular
• 1900 MHz PCS
153.6
kbps 153.6
kbps