User's Manual

EMS Wireless Operator’s Manual
EkoLink II
38
PARAMETER USER REQUIREMENT
(Optional) Ripple < 170 mV pp
Remote DC Power 20 - 48 VDC V at 0.4 A
Ripple: <170 mV, freq >300 Hz
<300 mV, freq <300 Hz
Rack Chassis: 3U high, 19" (7.5 cm) wide, 12.84"
(32.6 cm) deep
1U (1.75" [4.4 cm]) air space above and below
each chassis
Temperature
Performance to Full Spec
Operating
Storage
Relative Humidity
Operating
Short Term
5
o
C to 40
o
C
0
o
C to 50
o
C
-20
o
C to 65
o
C
20 to 55%
10 to 80% (not exceeding 0.024 lbs water/dry
air)
Max Length Wires to
Supply DC Power to
Antenna Units (Assuming
22 VDC Power)
<2000 ft (<610 meters) with 22 AWG Copper
Wire
Table 3. User Requirement Specifications.
4.3 Hub Specifications
Table 4 is a list of specifications for the EkoLink Hub.
PARAMETER USER REQUIREMENT
Max Composite RF Input
(damage level)
+30 dBm (downlink)
+10 dBm (uplink)
Max Optical Link Loss 5dB
Optical Fiber Single Mode Fiber
Optical Connectors SC/APC
Optical Return Loss
40 dB
Number of Optical Fibers One per remote unit
Chassis AC Power
(factory configured)
90 to 135 VAC or 184 to 264 VAC
50-60 Hz
Backup Power Supply
(Optional)
+24 VDC ± 0.5 V, 8.5 A max load
Ripple < 170 mV pp
Hub DC power 20 - 48 VDC at 7.5W
Ripple: <170 mV, freq >300 Hz
<300 mV, freq <300 Hz
Rack Chassis: 3U hi
g
h, 19"
(
7.5 cm
)
wide, 12.84”