Technical Specifications

Physical Characteristics

Enclosure

Mechanical

Dimensions

Ethernet: 137 x 124 x 41 mm

Ethernet+Cellular: 137 x 194 x 41 mm

Ethernet+Cellular+Wi-Fi: 137 x 194 x 41 mm

Weight

Ethernet: 503 g

Ethernet+Cellular: 528 g

Ethernet+Cellular+Wi-Fi: 558 g

RAM

1GB LPDDR4-3200 SDRAM

Storage

8GB eMMC

Processor

Quad core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5 GHz

Connectors

1x RS485, 2x USB2.0 Type A, 1x 10/100 Ethernet

Electrical Characteristics

Power Supply

11...24 V DC (12 V DC, 25 W (included in the box))

Communication Characteristics

Wi-Fi

Dual Band Wi-Fi with external Omnidirectional antenna

LTE

1 X LTE/3G/2G with external Omnidirectional antenna

Environmental Characteristics

Environmental Conditions

Indoor Use Only

Ambient Air Temperature

0...45 °C

Storage Temperature

-20...65 °C

Humidity

0...95%

Installation

Mounting

Wall-Mounted

Installation Equipment Included

Installation instructions, mounting brackets, and screws

Certifications and Compliances

CE, UKCA, RoHS, and REACH

D10005

LoRA Connector RAK7371 EU868

D16011

LoRA Connector RAK7371 US915

Flex-Server

Maximum number of total devices (all protocols combined)

50

Maximum number of controlled points (all devices combined)

500

BACnet

Maximum number of BACnet MS/TP devices per network

32*

Maximum number of BACnet MS/TP networks per server

2**

Maximum number of BACnet IP devices

50

Point Types

Analog values

500

Digital values

500

Multi-state values

500

Analog input

500

Digital input

500

Multi-state input

500

Analog output

500

Digital output

500

Multi-state output

500

Modbus

Maximum number of Modbus RTU devices per RS485 port

32*

Maximum number of RS485 ports

2**

Maximum number of Modbus TCP devices

50

LoRa***

Maximum number of LoRa sensors per server (100 messages per day)

50

Maximum number of points 

50

SNMP Client (V1 & V3)

Function

Maximum number of SNMP devices (1024 Read/Write per device)

10

Type

Shielded twisted pair low capacitance

Twisted wire size

22 AWG to 24 AWG (0.33 mm² to 0.20 mm²)

Characteristic impedance

120 ohms

Capacitance (wire to shield)

< 82 pF/m (< 25 pF/ft)

Capacitance (wire to wire)

< 46 pF/m (< 14 pF/ft)

Distributed capacitance

Less than 100 pF per meter (30 pF per foot)

Maximum length per segment

1200 m (4000 ft) Note: depending on termination and bias restrictions

Polarity

Polarity sensitive

Multi-drop

Daisy-chain (no T-connections)

Terminations

1. Devices are installed at both ends of RS485 network: 120 Ohms resistors should be installed at each end.

2. A device is installed at one end of RS485 network and a their-party devices is installed at the other end. Install an End-Of-Line resistor value that matches the third-party device instructions on the End-Of-Line resistors.

3. Third-party devices are installed at both ends of RS485 network. Follow the third-party device instructions on the End-Of-Line resistors.

Network bias resistors

510 ohms per wire (maximum two sets per segment)

Maximum number of nodes per segment

32

Baud rates supported

9600, 19200, 38400, 57600, 76800, 115200 (Auto detect is not supported)

Commercial Reference Number

Description

ESXBFXSVR00B008

ESXB Flex-Server, Ethernet, RS485, 8GB storage

ESXBFXSVR0BC008

ESXB Flex-Server, Ethernet, RS485, cellular, 8GB storage

ESXBFXSVRBCW008

ESXB Flex-Server, Ethernet, RS485, cellular, Wi-Fi, 8GB storage