Aitech C681

Marvell® Prestera® 98DX106 Controller, Conduction and Air-Cooled Versions

Manufacturer: Aitech
Aitech C681

Aitech’s C681 is a high-performance 3U VPX Unmanaged Gigabit Ethernet Switch for embedded and harsh environment applications. Gigabit Ethernet switching is performed by the Marvell Prestera® 98DX106. The switch is unmanaged and does not require any user configuration.

The C681 is available in factory configured variants which offer different Ethernet port configuration options (1000Base-T or 1000Base-BX/KX). 1000Base-BX/KX ports support both backplane applications and external SFP modules. 1000Base-T ports support 10/100/1000Mbps operation and are implemented with Marvell 88E1340 PHY devices and onboard magnetics modules. 


Interface(s)Up to 10 Fast/Gigabit Ethernet Ports,two standard configurations
Refer to datasheet for more details
Controller(s)Marvell Prestera® 98DX106 Ethernet switch device
• Unmanaged, no user configuration required
• Full wire-speed non-blocking forwarding
• Jumbo Frame support (up to 9 kB)
• 1 Mbit on-chip buffer memory
• 8k entries forwarding database
• Base-T auto-negotiation and auto cross-over (MDI/MDI-X)
• Full and half-duplex operation
• Port Status Indicator LEDs
Connection(s)Front Panel (air-cooled versions):
I/O: One 1000Base-T port via RJ45 connector
Push buttons: Reset pushbutton
Indicator: LEDs Board status, power supply status, and Ethernet port link status

Rear: Refer to datasheet for different configurations


ElectricalC681 is powered by the +5V backplane power supply (+12V, +3.3V, +3.3V_AUX, and ±12V_AUX are not required)
Maximum power consumption is 6 W, as follows: +5.0 V 1.2 A
MechanicalAir-Cooled: 3U VPX REDI per ANSI/VITA 48.1
Conduction-Cooled: 3U VPX REDI per ANSI/VITA 48.2
Conduction-Cooled 2LM: 3U VPX REDI 2LM (Two Level Maintenance) per ANSI/VITA 48.2
TemperatureSeries-100 Commercial
• Temperature range (operation): 0 to +55C
• Temperature range (storage): -40 to +85C

Series-200 Rugged
• Temperature range (operation): -40 to +71C
• Temperature range (storage): -50 to +100C

Series-400 Military
• Temperature range (operation): -40 to +85C
• Temperature range (storage): -62 to +125C

Ruggedisation level is determined in the part numbering scheme - refer to datasheet for further details
HumiditySeries-100 Commercial: 0-90%
Series-200 Rugged, Series-400 Military: 0-95% or 0 to 100% with coating
WeightAir-cooled: < 470 g (1.04 lbs)
Conduction-cooled: < 380 g (0.84 lbs)
Conduction-cooled 2LM: < 530 g (1.17 lbs)
AltitudeSeries-100 Commercial: 15,000ft
Series-200 Rugged, Series-400 Military: 70,000ft
VibrationRefer to datasheet
ShockRefer to datasheet
Warranty1 Year
Recab UK
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