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Appendix A: Specifications
Description
Min
Typ
Max
Units
Conditions
Input Voltage
12
16
V (DC)
Input Current
2.5
A (DC)
V
in
= 12 V (DC)
Operating Temperature
0
50
°
C
Fast Charge Cycle:
Input Current
2.0
A (DC)
power switch off
Charge Time
150
200
min.
Temperature Cut-off
50
°
C
Trickle Charge Cycle:
Input Current
2.0
A (DC)
power switch off, during pulse
Period
1.17
s
Pulse Width
73
ms
Battery Pack (7 Cells, 4/3 A in Series):
Output Voltage
8.4
10.5
V (DC)
Capacity
3.7
3.75
Ah
Temperature Fuse
60
°
C
Optical Transceiver (Duplex, SC Receptacle):
Output Optical Power
-14
dBm avg. 62.5/125
μ
m fiber
Data Rate
50
Mb/s
Wavelength
1300
nm
Transmission Length
50
m
ePHY Error (Versatile Link Transmitter):
Pulse Length
50
ms
Output Optical Power
-15
dBm
Wavelength
660
nm
Versatile Link Optical Receiver (Avago HFBR-25X3Z or Equivalent) (Not Included):
Supply Voltage
3.3
V (DC)
Input Optical Power
-39
dBm
LED on
Data Rate
DC
1.0
kHz
Wavelength
660
nm
Versatile Link Plastic Optical Fiber Cable (Avago Connectors: HFBR-4531Z or equivalent) (Not Included):
Fiber Diameter
1.0
mm
core and cladding
Fiber Attenuation
0.2
dB/m
Cable Length
50
m
12 V DC Power Supply:
Input Voltage
100
240
V (AC)
50 - 60 Hz
Input Current
1.5
A (AC)
Output Voltage
12
V (DC)
Output Current
3.75
A (DC)
Table A-1: Specifications
