Ericsson small-cell category illustration — Illustration

IRU 8846

Name: Ericsson IRU 8846
Brand: Ericsson

What it does: Baseband–Dot interface

1 part number: KRC161754/2

Viewing: model overview

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Main specifications

TechnologiesLTE; NR (with Dot 4479 or Dot 4489)

Additional technical information

Family: PN KRC161754 / 2; Radio Dot System Indoor Radio Unit 8846
For PN KRC161754 / 2.
Installation environment: PN KRC161754/2; Indoor standard 19-inch rack or remote wall mounting using included brackets; CAT6A connection to Dots
For PN KRC161754/2.
Dimensions: PN KRC161754/2; 70 × 442 × 347 mm (H × W × D), 1.5U / 19-inch
For PN KRC161754/2.
Weight: PN KRC161754/2; Maximum 8.62 kg
For PN KRC161754/2.
Interfaces / connectors: PN KRC161754/2; 2 CPRI ports; 8 Ethernet-based RDI Dot ports; 2 alarm ports; AC and DC power inputs
For PN KRC161754/2.
Interfaces and data rates: PN KRC161754/2; 2 × CPRI to Baseband; 8 × 10 Gbps Ethernet-based RDI to Radio Dots carrying signaling and power; 2 × alarm; AC or DC input
For PN KRC161754/2.
Power supply: PN KRC161754/2; Either -48 V DC nominal (normal -36.0 to -58.5 V, max 20 A, inrush 27 A, 10 ms hold-up) or 100–250 V AC (90–275 V tolerance, 45–65 Hz, max 9 A, inrush 22.2 A, 20 ms hold-up); supplies power to Dots over RDI
For PN KRC161754/2.
Operating RF bands / ranges: PN KRC161754/2; Frequency/band is determined by the connected Radio Dot; IRU supports mixed-mode and multi-standard operation
For PN KRC161754/2.
Capacity: PN KRC161754/2; Up to 8 single-band 4T4R Radio Dots; 8 × 10 Gbps RDI ports; up to 8 branches per Dot; 2 external-alarm ports
For PN KRC161754/2.
Chassis: PN KRC161754/2; 1.5U, 19-inch indoor enclosure for rack mounting or remote wall mounting with included brackets
For PN KRC161754/2.
Functional role: PN KRC161754/2; Radio Dot System hub: CPRI interface to Baseband, signaling/power over RDI to Radio Dots, and external-alarm aggregation
For PN KRC161754/2.
Architecture: PN KRC161754/2; Baseband → two CPRI ports → IRU 8846 → eight 10 Gbps Ethernet RDI ports carrying signaling/power to Radio Dots; two alarm ports return external alarms to Baseband
For PN KRC161754/2.
Subtype: PN KRC161754/2; 1.5U indoor Radio Dot System IRU for up to eight single-band 4T4R Dots
For PN KRC161754/2.
Details: PN KRC161754/2; Operating temperature 5 to +50 °C; relative humidity 10-95%; absolute humidity 1-25 g/m³; maximum temperature change 0.5 °C/min
For PN KRC161754/2.
Installation conditions: 19″ rack / wall brackets
Connection notes: Baseband via CPRI; up to 8 Radio Dot via CAT6A