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JetNet 4706f Specifications

Ordering Information


Industrial 6-port Managed High Power PoE Fiber Switch

  • Four 10/100 TX Power over Ethernet ports and two redundant 100 FX uplink ports
  • Two Fiber links for long distance transmission
  • Supports Multi-mode 2KM, Single-mode 30KM
  • DC 48V Power Input for IEEE 802.3af 48V PoE output
  • Up to 25W per port for High Power solution by Forced powering mode
  • Up to 80W for total power budget
  • Support IEEE 802.3af for PoE detection and PoE classification resistors
  • PoE control and schedule by hour/weekly basis
  • Auto-detect Powered Device status for device auto-reset (LPLD)
  • Patented Multiple Super Ring technology (MSRTM), up to 5ms recovery time
  • Patented Rapid Dual Homing (RDHTM) technology
  • SNMP v1/v2c/v3, IGMP snooping v1/v2/v3, RMON, VLAN, QoS
  • Network security by IP/MAC address, SSL and SSH
  • Built-in hardware watchdog timer for system auto-reset
  • -40~60°C wide operating temperature


IEEE 802.3 10Base-T
IEEE 802.3u 100Base-T
IEEE 802.1p Class of Service
IEEE 802.3af Power Over Ethernet(PoE)
IEEE 802.3at High Power PoE
IEEE 802.1D Spanning Tree
IEEE 802.1w Rapid Spanning Tree

Switch Technology

Store and Forward Technology with 3.2Gbps wire-speed
non-blocking Switch Fabric

System Throughput


MAC Address


Packet Buffer

Embedded 1Mbits shared buffer

Transfer performance

14,880pps for Ethernet and 148,800 for Fast Ethernet and transfer packet size from 64 to 1522Bytes

PoE Technology

End-Span wiring architecture
PD classification detection, class ID 0~3 follow IEEE802.3af standard, and 25W High power deliver procedures for class ID 4.
Pin assignment: V+ (RJ-45 Pin 4,5), V- (RJ-45 Pin 7,8), TX (RJ-45 Pin 1,2), RX (RJ-45 Pin 3,6)
Protection: Provides over-current protection by PD class ID

Management interface

SNMP v1, v2c and v3, Web browser, JetView, JetView Pro, and CLI Management

Management Security

4 entries for web, telnet, SNMP management security


Provides Cold start, Warm start, Port event, Power event, Authentication failure, PoE trap and Korenix private trap for proprietary functions


RFC 1213 MIBII, RFC 1493 Bridge MIB, RFC 1757 RMON MIB, RFC 2674 VLAN MIB, RFC 1643 Ethernet like MIB, RFC1215 Trap MIB, RFC 3621 Power Ethernet MIB, Korenix Private MIB

Korenix Utility

Supports JetView and JetView Pro with IEEE 802.1AB Link Layer Discovery Protocol for device and link auto-topology discovery

Firmware upgrade

TFTP, HTTP and JetView

System Log

1000 system entries for system or remote log server

Event Alarm Relay

1A @24V Dry Relay Contact output for port link down, PoE and System power events.

Quality of Service

Quality of Service determined by port, Tag and IPv4 Type of Service

Class of Service

IEEE802.1p class of service, with 4 priority queues


Supports DHCP Cilent and DHCP Server function with specified IP exclusion and MAC binding function


Supports Network Time Protocol (NTP) to synchronize time from NTP Server


Port based VLAN

IGMP Snooping

Supports IGMP Snooping v1/v2/v3 and IGMP Query v1/v2

Network Redundancy

Supports Multiple Super Ring function for network redundancy with 5ms network recovery time; To inter-operate with other higher-level switches, JetNet 4706f provids RapidDual Homing II technology to conform with RSTP protocol. JetNet 4706f also conforms with IEEE802.1D 2004 edition for RSTP and STP standard protocols

PoE Port Control

Supports user configuration for PoE enable disable, or based on schedule

Power Limit Control

The control mode supports IEEE802.3af standard, Manual and Ultra mode for 25W Hi-power or forced powering mode for Non-standard PD. The maximum DC power delivery on each PoE port is 12.9W@DC 48V input or 25W @ DC57V input

PoE Scheduling Control

Each PoE port can be activated and powered scheduling with different rule. It supports weekly scheduling by hourly basis.

LPLD function

The Link Partner Line Detect function (LPLD) is available on PoE ports. With the LPLD function, the PoE port can keep attached PD alive.

IP Security

IP security to prevent unauthorized access

Number of Ports

4 x 10/100Base-TX with PoE Injector
2 x 100Base-FX ports
1 x RS-232 Console


10/100TX: RJ-45
100Base-FX: SC
Console: RJ-45
Power & Relay Alarm: 6-pin Terminal Block

Power Consumption

8 Watts @ 50V (Maximum) without PD loading


10Base-T: 4-pair UTP/STP Cat. 3, 4, 5 cable, EIA/TIA 568B 100-ohm(100m)
100Base-TX: 4-pair UTP/STP Cat. 5 cable, EIA/TIA 568B 100-ohm(100m)
100Base-FX: Multi-mode 50~62.5/125um; Single-mode 8~10/125um

Fiber Transceiver

JetNet4706f-m, Multi-mode: 2KM max. distance
Wave-length: 1310nm
Min Tx Power:-19dBm
Max Tx Power:-14dBm
Min Rx Sensitivity:-30dBm
Link budget:11dBm
JetNet 4706f-s, Single-mode: 30KM max. distance
Max Tx Power:-8dBm
Min Tx Power:-15dBm
Min Rx Sensitivity:-34dBm
Link budget:19dBm

Rest Button

For system reboot and factory default setting

Diagnostic LED

Power LED: Power 1/Power 2 (Green)
Fast Ethernet Port 1~4: Link(Green)/Activity (Green blinking),
PoE Powering (Yellow on), PoE Detect (Yellow blinking),
PoE Disable (Yellow off), PoE Powering failure (Yellow fast blinking)
Fast Ethernet Port 5,6: Link(Green)/Activity (Green blinking)
Alarm (Red): Port link down or power failure occurred

Power Requirements
System Power

Support positive or negative power system with DC 48~57V power input range and polarity reverse protection

Power Consumption

8 Watts @ 50V (Maximum) without PD loading


DIN-Rail mount or desktop or wall mount


IP-31 grade aluminum metal case


46.5 mm (H) x 174.8 mm (W) x 136 mm (D) without DIN-rail mount


0.72 kg with package
0.65 kg without package

Operating Temperature


Operating Humidity

0% to 95% (Non-condensing)

Storage Temperature

-40 to 80C

Storage Humidity

5% to 95% (Non-condensing)

Regulatory Approvals

FCC Class A; CE/EN55022:2003 Class A
CE/EN61000-3-2:2001 Harmonic Test
CE/EN61000-3-3:1995 Flicker test


EN61000-4-2:1998, ESD
EN61000-4-3:1998, RS
EN61000-4-4:1995, EFT

EN 50155 Railway
UL/cUL60950-1, CSA C22.2 No.60950-1-03

IEC 60068-2-27

Free Fall

IEC 60068-2-32


IEC 60068-2-6


272,306 Hours, MIL-HDBK-217F GB standard


5 years