The Nokia Flexi FRMF 472930A is a remote radio unit RRU designed specifically for Nokia Flexi radio systems. It is a compact and high-performance RRU that can support various wireless technologies such as GSM, WCDMA, LTE, and 5G.
The NOKIA FRMF RRU is equipped with advanced features and capabilities to achieve efficient wireless communication and provide excellent network performance. It is designed to be easily integrated into Nokia's Flexi radio system and can be deployed in various network environments to provide reliable and high-speed connectivity.
Quick Spec
Interfaces
Interface
| Label on the HW
| Number of Interface
| Connector type
| Additional info
|
Power connector
| DC IN
| 1 | 3-pole screw terminal
| - |
Antenna connector
| ANT
| 6 | 7/16
| - |
RF output
connector
| RxO
| 3 | QMA
| - |
Remote Electrical Tilt
| RET
| 1 | 8-pin circular
| - |
External Alarm Connection
| EAC
| 1 | MDR36
| - |
Optical interface
| OPT
| 3 | SFP
| 3 Gbps or 6 Gbps
|
Antenna Line Devices(ALDs) support
Table 1: FRMF ALD support
ALD support via antenna ports
| Value
|
AISG
| ANT1, ANT3, ANT5, RET: AISG 2.0
|
Legacy Siemens equipment
| No
|
CWA (for non-AlSG installations)
| No
|
Voltage
| ANT1, ANT3, ANT5: 25 V RET: 25 V
|
Power per port
| 30 W |
Functional block diagram
Figure FRMF functional block diagram
Electrical specifications
Table FRMF 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 VDC -57.0 V DC to -60.0 VDC |
Power consumption
Table FRMF power consumption
Mode
| Configuration
| Output power
per carrier
[W]
| Estimated power consumption [W] at 48VDC
input at 25°C. Non-committed estimated
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 |
Power
consumption
ETSI 202706
average load
PRRH, static
| Power
consumption
ETSI 202706
busy hour
load PBH RRH,
static
| Power
consumption
100% RF
power load
P100% RRH
|
LTE
| 1/1/1 2T2R
| 20+20
| 466 | 533
| 665
|
1/1/1 2T2R
| 40+40
| 606
| 733
| 985
|
1/1/1 2T2R
| 60+60
| 755 | 942
| 1326
|
Installation and mechanical specifications
Table FRMF installation and mechanical specifications
Property
| Value
|
Installation options
| - floor/stack installation
- pole installation
- wall installation
- 19'' rack/cabinet
|
lP rating
| IP65
|
Related optional items
| Pole installation
- Flexi Mounting Kit for Floor, Wall and Pole
(FMFA)
- Flexi Pole Kit (FPKA)
- Flexi Pole Kit (FPKC)
- Flexi Module Casing (EMHx)
Floor/Wall installation
- Flexi Mounting Kit for Floor, Wall and Pole
(FMFA)
- Flexi Module Casing (EMHx)
Outdoor 19'' rack
- Flexi Module Casing (EMHx)
Cabinet/indoor 19''' rack
- No optional items needed
|
Dimensions and weight
Table FRMF dimensions and weight
Property
| Value
| Dimensions orientation
|
Height
| Core RFM: 115 mm (4.5 in.)
| 
|
Depth
| Core RFM: 400 mm (15.7 in.) Without front covers: 422 mm
(16.6 in.)
With front covers: 560 mm
(22.1 in.) |
Width
| Core RFM: 420 mm (16.5 in.) Without front covers: 447 mm
(17.6 in.)
With front covers: 492 mm
(19.4 in.) |
Weight
| 24 kg (52.9 lb)
|
Volume
| 19.3 l |
Environmentalspecifications
Table FRMF environmental specifications
Property
| Value
|
Maximum operational outdoor temperature in the shade (at constant high ambient temperature maximum output power might be limited) | +55°C (131°F)
|
Minimum operational temperature (includingcold start)
| -35°C (-31°F) |
LEDs
Table FRMF LEDs
LED color
| Description
| Alarm
|
Red, stable
| Critical alarm affecting thewhole RF module or all antenna carriers
| Fault
|
Red, blinking
| Operation degraded
- Major alarm affecting the whole RF Module
- Critical alarm affecting fans
- Major/Critical alarm affecting a module subcomponent or antenna carrier
| Major/critical alarm
|
Yellow, stable
| - Until software download begins
- The carriers are blocked from BTS
- There is no connection toany System Module
| No alarm
|
Yellow, blinking
| - Software download inprogress
- Configuration in progress: RF resources are being setup, but not yet activated
| No alarm
|
Green, stable
| - Software configuration iscomplete orsupervisory: RF resources activatedand transmission ispossible
- Working normally, noalarm on the RF Module
| No alarm
|
Green, blinking
| Software downloading and updating
| No alarm
|
Stable Red for less than 5 seconds and changes to Stable Yellow
| Switched ON, but the next conditions are not reached yet
| No alarm
|
Stable Red for less than 5 seconds
| The module is in the processof resetting
| No alarm
|
Periodic Red and Green
| Antenna line device faulty/degraded
| No alarm
|
Blinking Colors(Red, Yellow,and Green), each color stablefor 0.5 second
| Module highlighting (Flexi BTSSM functionality that can help identifying faulty module)
| No alarm |
RF Module fan/TX status LED: Red
| Atleastone fanis faulty ordegraded
| - |
RF Module fan/TX status LED: Green
| All fans are working
| - |
RF Module fan/TX status LED:Color set according to fanstatus, stable
| RF transmission is ON
| - |
RF Module fan/TX status LED: Color set according to fanstatus, blinking
| RFtransmission is OFF
| - |
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