![Green printed circuit board with various electronic components and connectors (no visible text or symbols)](.atca-3400-datasheet-7/e0e1f0bb67302fdaad3ab8990c4e93c7135f11f9181cdd46680a2584e0882fe0.jpg)

# Features

24-port Gigabit Ethernet Base Interface switch
20-port 10Gigabit Ethernet Fabric Interface switch
Twelve Node ports, PICMG® 3.1 Option 9
Broadcom BCM56800 + BCM56312 multilayer switch
COM Express™ Intel® Pentium® M 1.4 GHz control plane processor

# Specifications

Control Plane

<table><tr><td>CPU</td><td>COM ExpressTM Module, Intel® Pentium® M 1.4 GHz</td></tr><tr><td>Memory</td><td>DDR2-533 SODIMM up to 1 GByte</td></tr><tr><td>Storage</td><td>4GB soldered USB flash disk</td></tr><tr><td>Bus</td><td>32-bit/66 MHz PCI Bus</td></tr><tr><td rowspan="3">Management</td><td>10/100/1000BASE-T (RJ45)</td></tr><tr><td>RS-232 serial console (RJ45)</td></tr><tr><td>USB 2.0 Type A port</td></tr></table>

Data Plane

<table><tr><td rowspan="2">Switch Fabric</td><td>Broadcom® BCM56800 20-port 10GbE multilayer switch</td></tr><tr><td>Broadcom® BCM56312 24-port GbE multilayer switch</td></tr></table>

Base Interface

<table><tr><td>Channels</td><td>Twelve 10/100/1000BASE-T Base Interface channels, for 14-slot systems</td></tr><tr><td>Egress</td><td>Two 10/100/1000BASE-T and one 10 GbE SFP+ egress ports</td></tr><tr><td>ShMC Port</td><td>Two 10/100BASE TX ShMC ports compliant to PICMG® 3.0 R2.0 ECN001</td></tr><tr><td>Inter-Switch</td><td>One 10/100/1000BASE-T inter-switch link</td></tr></table>

Fabric Interface

<table><tr><td>Channels</td><td>Thirteen 10GBASE-KX4 Fabric Interface channels, for 14-slot systems</td></tr><tr><td>Egress</td><td>Eight 10GbE front panel egress SFP+ ports(1 port optionally switched from backplane)</td></tr></table>

Mechanical and Environmental

<table><tr><td>Form Factor</td><td>PICMG® 3.0 R 2.0 ECN001 AdvancedTCA®</td></tr><tr><td>Dimensions</td><td>322.25mm x 280mm x 6HP (L x W x H)</td></tr><tr><td>Weight</td><td>2 kg / 4.4 lbs</td></tr><tr><td>Operating Temp.</td><td>0°C to 55°C</td></tr><tr><td>Storage Temp.</td><td>-20°C to 80°C</td></tr><tr><td>Humidity</td><td>5% to 95%, non-condensed</td></tr><tr><td>Shock</td><td>15G peak-to-peak, 11ms duration, non-operation</td></tr><tr><td>Vibration</td><td>Non-operation: 1.88Grms, 5-500Hz each axisOperation: 0.5Grms, 5-500Hz each axis</td></tr><tr><td>Power Consumption</td><td>86 W</td></tr><tr><td>Certifications</td><td>FCC, CE, UL/LVD, C-Tick, VCCI, NEBS Level 3 (design)</td></tr></table>

Ordering Information
Modules

<table><tr><td>Model Number</td><td>Description/Configuration</td></tr><tr><td>aTCA-3400</td><td>20-Port 10 GbE AdvancedTCA® Fabric Switch Blade</td></tr></table>

Mechanical Layout
![BCM56312\n24 Port GbE Switch\nBCM56800\nNon Blocking 10 GbE Switch\n(Layer 3 Switching, 20 Ports)\nBCM5466SR\nQuad GbE PHY\nCOM Express Processor Module\nIntel® Pentium® M 1.4 GHz\nGbE\n10GbE (Base)\nGbE (Base)\n10GbE x 8 (Fabric)\nBCM8706\n10 Gig XAUI to\nSFP+ PHY](.atca-3400-datasheet-7/bcec9ce6b4ef1fc075b7b3f1f36f0d0d364a5e8cdfb40a0f33ca2811bb291b01.jpg)

![BASE Interface\nSLOT Links\n3 2 SH2 SH1\n6 5 4\n11 10 9 8\n15 14 13 12\nFABRIC Interface\nSLOT Links\n5 4 3 1/2\n9 8 7 6\n13 12 11 10\nBase GbE Link 1& 2\nBase 10 GbE\nUplink\nFabric 10GbE UpLink\nSerial Maintenance Port\nGbE Maintenance Port\nOOS LED\nHEALTHY\nLED\nACTIVE LED\nBASE Link LED\nFAULT LED\nRESET\nFAB Link LED\nHOT SWAP LED\nGigabit LEDs\nLINK\nACT](.atca-3400-datasheet-7/c26fff8d453f57098e7bbc9c889f71d5c00bea32ce04327433d7ba96e281f65b.jpg)

Functional Diagram
![**Blocks:**\n*   **Maintenance Port (10/100/1000)** containing two **RJ45** blocks.\n*   **Front Panel** (Label)\n*   **GbE** (Label)\n*   **UART** (Label)\n*   **USB-Disk**\n*   **COM Express Sub-System**\n*   **IPM Controller Sub-System**\n*   **BIOS 128MB Flash**\n*   **USB** (Connector icon)\n*   **Zone 3** (Label)\n*   **PCI BUS (32/66)** (Label)\n*   **Base Ports** (Group) containing two **RJ45** blocks.\n*   **Quad PHY**\n*   **Base Ports** (Group) containing one **SFP+** block.\n*   **BCM8706 XAUI-SFP+**\n*   **Base Switch**\n*   **BCM56312 24 Port GbE Switch** (Text inside Base Switch)\n*   **QUAD PHY**\n*   **Base I/F**\n*   **Ch 1, ShMC1** (Text inside Base I/F)\n*   **Ch 1, ShMC2** (Text inside Base I/F)\n*   **Ch 2 - 15** (Text inside Base I/F)\n*   **Ch 16** (Text inside Base I/F)\n*   **Fabric Ports** (Group) containing eight **SFP+** blocks.\n*   **BCM8706 XAUI-SFP+** (x8 blocks)\n*   **Fabric Switch**\n*   **BCM56800 Non Blocking 10 Gig Switch (Level 3 Switching, 20 Ports)** (Text inside Fabric Switch)\n*   **Fabric I/F**\n*   **Ch 1-12** (Text inside Fabric I/F)\n*   **Ch 13** (Text inside Fabric I/F)\n\n**Connections:**\n*   **Maintenance Port (10/100/1000)** Top RJ45 connects via **GbE** to **COM Express Sub-System**.\n*   **Maintenance Port (10/100/1000)** Bottom RJ45 connects via **UART** to **COM Express Sub-System**.\n*   **COM Express Sub-System** connects to **USB-Disk**, **IPM Controller Sub-System**, **BIOS 128MB Flash**, and **USB** (Zone 3).\n*   **COM Express Sub-System** connects via **PCI BUS (32/66)** to **Base Switch** and **Fabric Switch**.\n*   **Base Ports** Top RJ45 connects via **Quad PHY** to **Base Switch**.\n*   **Base Ports** Bottom RJ45 connects via **Quad PHY** to **Base Switch**.\n*   **Base Ports** SFP+ connects via **BCM8706 XAUI-SFP+** to **Base Switch**.\n*   **Base Switch** (BCM56312) connects via **QUAD PHY** to **Base I/F**.\n*   **Fabric Ports** Top 7 SFP+ blocks connect individually via **BCM8706 XAUI-SFP+** blocks to **Fabric Switch**.\n*   **Fabric Ports** Bottom SFP+ block connects via **BCM8706 XAUI-SFP+** to a junction that connects to **Fabric Switch** (up) and **Fabric I/F** -) **Ch 13** (right).\n*   **Fabric Switch** (BCM56800) connects to **Fabric I/F** -) **Ch 1-12**.](.atca-3400-datasheet-7/9c4707ccc4a82db92989f2f9538357c0f1e810801948171227a5cae972bd554b.jpg)
[🔗 Link to the original document](.atca-3400-datasheet-7/atca-3400-datasheet-7.pdf)