BT/SN/RAM 6000 Series
Hardware Guide
1-15
Product Overview
Revised 2015-07-16
Power Specifications and Consumption
DC 2.5 mm Barrel Adapter
Power is supplied to the modem via the barrel adapter on the left side of all BT/SN/RAM-6000 series modems.
The contacts are described as follows:
Power Connector
(left side)
Pin
Name
Description
Sleeve
GND
Ground
Tip
PWR+
Power supply input (8 to 30 VDC)
Warning:
DC 2.5 mm barrel adapter shall not be used in hazardous locations.
Power Specification
Power input to the modem is protected against reverse polarity and over-voltage. The modem's power consump-
tion is as follows:
Typical Power Consumption (Watts)
Model
Standby
Transmitting
Minimum
Transmitting
maximum
BT/SN/RAM-6401
1.4
2.0
5.0
BT/SN/RAM-6421
2.7
3.4
6.4
BT/SN/RAM-660x
1.4
2.0
2.9
BT/SN/RAM-6621
3.0
3.6
4.5
BT/SN/RAM-680x
1.4
2.6
5.0
BT/SN/RAM-6821
3.0
4.2
6.6
BT/SN/RAM-670x
1.6
2.6
6.9
BT/SN/RAM-6721
3.3
4.3
8.7
SN/RAM-690x
1.6
2.6
6.9
SN/RAM-6921
3.3
4.3
8.7
Wiring instructions are provided in the Hardware Installation section.
All modems are equipped with protection for reversed polarity and power surges over 33 volts. The modems are
equipped with an internal 3 Amp fuse.
