Fhed 1800
Fhed 1800
Fhed 1800
Flexi Multiradio BTS RF Module and Remote Radio Descriptions of RRHs Rel. 4.0
Head Description
Table 562 FHED functional specification
Property Value
Output power 4x40 W
MIMO 4TX
Outdoor installation Yes
SW supported technology FDD-LTE
TX frequency range 1805-1880 MHz
RX frequency range 1710-1785 MHz
DL instantaneous bandwidth 65 MHz
UL instantaneous bandwidth 65 MHz
DL filter bandwidth 75 MHz
UL filter bandwidth 75 MHz
Interfaces
Figure 126 FHED interfaces
OPT1
RXO3 CHAIN/EXT OPT2 RXO2
RXO4 RET DCIN EAC RXO1
GND
Descriptions of RRHs Rel. 4.0 Flexi Multiradio BTS RF Module and Remote Radio
Head Description
Table 563 FHED interfaces
Interface Label on the HW Number of Connector type Additional info
interfaces
Power connector DC IN 1 3-pole screw -
terminal
Antenna ANT 4 4.3-10 -
connector
RF external RXO 4 QMA -
connector
Remote Electrical RET 1 8-pin circular -
Tilt
External Alarm EAC 1 D-sub MDR14 -
Connection
Optical interface OPT1, OPT2, 3 SFP 6 Gbps, OBSAI
CHAIN/EXT
Grounding Ground symbol 1 M8 or dual M5 GND
screws
Table 564 FHED ALD support
ALD support via antenna ports Value
AISG ANT1, ANT3, RET: AISG 2.0
Proprietary AISG 1.1 No
CWA (for non-AISG installations) No
Voltage ANT1, ANT3: 14.5 V
RET: 14.5 V
Power per port 40 W
Power 60 W
Flexi Multiradio BTS RF Module and Remote Radio Descriptions of RRHs Rel. 4.0
Head Description
Figure 127 FHED functional block diagram
RRH DuplexFilter
TX
TXRF PA filter Bias-T VSWR
Tx/Rx
Det ANT 1
RX
RXRF filter
LNA
RXMON
TX
TXRF PA filter VSWR
OpticalIF Tx/Rx
Det ANT 2
RX
RXRF filter
LNA
OpticalIF RF RXMON
control
TX
TXRF PA filter Bias-T VSWR
Tx/Rx
OpticalIF Det ANT 3
RX
RXRF filter
LNA
RXMON
TX
TXRF PA filter VSWR
Tx/Rx
Det ANT 4
RX
RXRF filter
LNA
RXMON
DCIN
PSU
Electrical specifications
Table 565 FHED electrical specifications
Property Value
Nominal supply voltage -48.0 V DC
Nominal input voltage range -40.5 V DC to -57.0 V DC
Extended input voltage range -36.0 V DC to -40.5 V DC
-57.0 V DC to -60.0 V DC
Power consumption
Descriptions of RRHs Rel. 4.0 Flexi Multiradio BTS RF Module and Remote Radio
Head Description
Table 566 FHED power consumption
Mode Configuration Output power Estimated power consumption [W] at 48VDC
per carrier input at 25°C. Non-committed estimated
[W] values depend on the final product HW and
SW optimization with +/- 10% margin.
Average = (6h low hour load, 10h medium
hour load and 8h busy hour load) / 24h
Values preliminary estimated.
Table 567 FHED installation and mechanical specifications
Property Value
Installation options • pole/wall installation
• directly on the wall installation
• vertical book mount
IP rating IP65
Related optional items • Flexi Pole Mounting Kit (FPKA/C)
• Corona 4T4R Book Mount HW Kit (FMFB)
Flexi Multiradio BTS RF Module and Remote Radio Descriptions of RRHs Rel. 4.0
Head Description
Table 568 FHED dimensions and weight
Property Value Dimensions orientation
Height Core RRH: 583 mm (23.0 in)
With upper and lower mounting
brackets: 888 mm (35.0 in)
Depth Core RRH: 158 mm (6.2 in)
With plastic cover and
mounting brackets: 200 mm
(7.9 in)
Width Core RRH: 320 mm (12.6 in)
height
With plastic cover and
mounting brackets: 331 mm
width
(13.0 in)
depth
Weight Core RRH: 24 kg (52.9 lb)
With plastic cover and
mounting brackets: 26 kg (57.3
lb)
Volume With cover: 33 l
Without cover: 27 l
Environmental specifications
Table 569 FHED environmental specifications
Property Value
Maximum operational outdoor temperature in +55°C (131°F)
the shade, assuming wind speed is 3 m/s (at
constant high ambient temperature, maximum
output power might be limited)
Maximum operational outdoor temperature in +50°C (122°F)
the sun, assuming wind speed is 3 m/s (at
constant high ambient temperature, maximum
output power might be limited)
Maximum indoor temperature, assuming wind +45°C (113°F)
speed is 0 m/s, valid for fanless products (at
constant high ambient temperature, maximum
output power might be limited)
Minimum operational temperature (including -40°C (-40°F)
cold start)
LEDs
Table 570 FHED LEDs
LED color Description Alarm
Red, stable Critical alarm affecting the Fault
whole RF module or all
antenna carriers
Descriptions of RRHs Rel. 4.0 Flexi Multiradio BTS RF Module and Remote Radio
Head Description
Table 570 FHED LEDs (Cont.)
LED color Description Alarm
Red, blinking Operation degraded Major/critical alarm
• Major alarm affecting the
whole RF Module
• Critical alarm affecting
fans
• Major/Critical alarm
affecting a module
subcomponent or antenna
carrier
w NOTICE: The RRH should always be mounted in a vertical orientation with connectors
on the bottom side to ensure proper cooling.
g Note: The minimum startup voltage is 40.5 V DC. If the input voltage is below/beyond
extended limits, unit might shut down.