EMS10G12 - Network card / adapter Black Box - Free user manual and instructions
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| Product Type | Network Adapter / Network Card |
| Model | EMS10G12 |
| Brand | Black Box |
| Interface | PCI Express 3.0 x4 |
| Data Rate | 10 Gbps |
| Port Type | 1 x SFP+ (10GBASE-SR/LR/ER) |
| Connector | SFP+ Slot |
| Form Factor | Low-Profile (Standard bracket included) |
| Dimensions (W x H x D) | 6.6 x 2.7 x 0.8 in (168 x 69 x 20 mm) |
| Weight | 0.3 lb (136 g) |
| Power Consumption | 10 W (typical) |
| Operating Temperature | 0°C to 55°C (32°F to 131°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Operating Humidity | 10% to 90% (non-condensing) |
| Supported OS | Windows Server 2012/2016/2019, Linux (Kernel 3.x+) |
| Compliance | IEEE 802.3ae, FCC Class A, CE, RoHS |
| Special Features | Jumbo frames (up to 9K), VLAN tagging, Checksum offloading, SR-IOV |
| Maintenance | Clean with compressed air; avoid liquid solvents. |
| Safety | Handle with ESD precautions; install in grounded PC. |
| Spare Parts & Repairability | No user-serviceable parts. Contact Black Box support for replacement. |
Frequently Asked Questions - EMS10G12 Black Box
What type of SFP+ modules are compatible with the Black Box EMS10G12?
The EMS10G12 supports standard SFP+ modules for 10GBASE-SR (multi-mode fiber), 10GBASE-LR (single-mode fiber), and 10GBASE-ER (extended reach). Use Black Box certified modules for best performance.
How do I install the EMS10G12 network adapter?
Power off your PC, insert the card into an available PCIe x4 or larger slot, secure the bracket, and power on. Install the appropriate drivers from the included CD or Black Box website.
Which operating systems are supported?
The adapter supports Windows Server 2012/2016/2019 and Linux distributions with kernel 3.x or later. Check the manual for specific driver versions.
How to configure jumbo frames on the EMS10G12?
In the adapter's advanced settings (Windows Device Manager or Linux ethtool), enable jumbo frames and set MTU up to 9000 bytes. Ensure your network switch also supports jumbo frames.
What do the LED indicators mean?
The card has two LEDs: Link (solid green when link is established, blinking for activity) and Speed (green for 10 Gbps, off for lower speeds). See manual for exact behavior.
Is the EMS10G12 compatible with PCIe 2.0 slots?
Yes, it is backward compatible with PCIe 2.0 x4 slots, but performance may be limited to 5 Gbps due to the slower interface.
How can I check if the card is recognized by the system?
After installing drivers, open Device Manager (Windows) or run 'lspci' (Linux). Look for 'Black Box EMS10G12' under Network adapters. If an exclamation mark appears, reinstall drivers.
What should I do if the adapter is not achieving 10 Gbps?
Check cable/fiber type, SFP+ module compatibility, switch port settings (speed/duplex), and PCIe slot bandwidth. Also ensure flow control and jumbo frames are configured correctly.
Does the card support Wake-on-LAN (WoL)?
No, the EMS10G12 does not support Wake-on-LAN. It is designed for data center and enterprise environments where WoL is not typically used.
Where can I find the latest drivers for the EMS10G12?
Visit Black Box's official support page at www.blackbox.com, search for 'EMS10G12', and download the latest drivers. The manual is also available there.
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USER MANUAL EMS10G12 Black Box
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Product information
Brand : Black Box
Model : EMS10G12
Category : Network card / adapter