JetNet 3906G

Key Features:

Industrial 6-port Gigabit IEEE802.3af/at PoE Switch
• 6-Port Gigabit PoE Switch
• 4-Port IEEE 802.3af/ 802.3at PSE
• 1 100Mbps/1000Mbps SFP Fiber Uplink port
• 1 1000Mbps RJ-45 Uplink port
• Maximum PoE Output 110W at 65°C
• Embedded DC 48V Booster
• DC 12V/24V Input
• 9KB Jumbo frame support
• Mega Pixel IP surveillance network solution
• User con????gurable Multiple-Event Alarm Relay Output
• IP30 Rugged Steel Metal Housing design
• Harsh Environment Temperature -40~75°C

Product Details


Standard IEEE 802.3 10Base-T
IEEE 802.3u 100Base-TX
IEEE 802.3u 100Base-FX
IEEE 802.3ab 1000Base-T
IEEE 802.3z Gigabit Ethernet Fiber
IEEE 802.3af Power Over Ethernet
IEEE 802.3at High Power PoE with 2-Event classification
IEEE 802.3x flow control and back-pressure


Switch MAC Table 2K MAC address
Packet Buffer 1Mbits embedded
Switching architecture Store and Forward technology
Forwarding frame size 64bytes ~ 9Kbytes jumbo frame
System throughput 10Mbps -14880 PPS
100Mbps-148800 PPS
1000Mbps -1488000 PPS
PPS:packet per second, 64Bytes packet length


Gigabit Ethernet RJ-45 5 x 1000Mbps RJ-45 with Auto MDI/
MDI-X, auto negotiation and port event function, embedded 4
x IEEE 802.3af/IEEE 802.3at compliance PSE ports (Port #1~#4), Alternative -A mode powering
SFP Socket 1 x SFP socket for Gigabit 1000Mbps SFP or Fast Ethernet 100Mbps SFP transceiver.
Manual selected and activate by DIP-Switch and power reset.
Power Redundant Power input with polarity protection; designed in 6-pin removable terminal block connector
Alarm relay output 1 dry relay output, designed in 6-pin removable terminal block connector. Normal open circuit
Cable 100Base-TX: 2-pairs EIA/TIA 568-B UTP/STP Cat.5e/Cat.6 cable
1000Base-T: 4-pairs EIA/TIA 568-B UTP/STP Cat.5e/ Cat.6 cable
Alarm control Ethernet port (1~6) link down and power event alarm, configure by 6-pin DIP switch.
Relay output ability Dry Output with 0.5 A current forwarding ability with DC 24V external power system
Relay output Type Normal state (Alarm off) – relay output form an open circuit
Abnormal state (Alarm on) – relay output form a close circuit
Diagnostic LEDs System: Power 1 (Green)/ Power 2 (Green),
Alarm Active (Red) Ethernet Link/Activity (Green on/ Green Blinking),
PoE powering (Amber on), SFP port: Link (Green on)

Power over Ethernet

PoE interface Gigabit Ethernet port 1 ~ 4
Power forwarding Mode Alternative- A (Data Pair Power feeding): Port 1~4 , V+ (3,6) V- (1,2)
PoE Classification Mode IEEE 802.3af and IEEE 802.3at 2-Event
PoE Powering Budget 30W PoE Output for each port,
System Maximum PoE Output
DC24V, 90W/ 75°C /95% Humidity
DC24V, 110W/ 65°C /95% Humidity
DC12V, 60W/ 70°C /95% Humidity
System Inrush Current:
DC 12V / 7.6A, DC 24V/6.1A

Power Requirements

System power Power input: DC 12V or DC 24V, variation range DC12~36V Polarity Protection and Over-Current protection
Power consumption 10 Watts / DC 24V at 75°C ambient environment without PoE Loading


Installation EN50022 DIN rail Snap-On mounting
Case Steel Metal Housing with Ingress protection grade – IP30 Real / Bottom side panel with
heat-dissipation holes
Dimension 144mm (H) x 55 mm (W) x 105mm (D) ( without DIN rail Clip)
Weight 0.8 Kg without package


Operating temperature 40~75°C 
Operating Humidity 0~95%
Storage temperature -40~80°C
Storage humidity 0~95%

Regulatory & Approvals

Electrical Safety Compliance to IEC 60950-1, UL 60950-1 Hi-pot DC 2.12KV for Power port to Case,
Ethernet Port to Case
EMC/ EMI IEC/EN 61000-6-4, CISPR 16-1-2/ -2-1/-2-3, CISPR 22, FCC Class A, CE
EMC/ EMS IEC/EN 61000-6-2
IEC 61000-4-2 ESD: Contact 6KV / Air Con. 8KV
IEC 61000-4-3 RS: 80M~1Ghz /20V, 1.4~2Ghz/3V, 2~2.7Ghz /1V
IEC 61000-4-4 EFT: L-L/L-N 2KV, Signal 2KV
IEC 61000-4-5 Surge: L-L/1KV, L-N/2KV, Signal I/O 1KV
IEC 61000-4-6 CS: 0.15M~80Mhz / 10V
IEC 61000-4-8 PFMF: 30A/m Cont. 300A/m 1~3S.
Anti-Vibration/Anti-Shock IEC /EN 60068-2-6 vibration:
10~150Hz, 20m/s2 (2.04g), 20 sweeps / per axis.
IEC /EN 60068-2-27 shock: 50g acceleration, 11ms
duration, Half -Sine wave