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12816E-CSC
Cisco 12816 1280Gbps Enhanced Clock Scheduler Card
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12816E-CSC is an advanced Ethernet module engineered for high-speed connectivity in modern network environments. It supports data rates up to 10Gbps, features SFP+ connectors, and is compatible with leading routers, switches, and servers, ensuring seamless integration into existing infrastructures.
This module supports key protocols such as TCP/IP and Fibre Channel while being housed in a PCIe form factor for straightforward installation in data centers. It is ideally suited for expanding data center capacity, upgrading server network interfaces, and connecting to high-speed networks.
12816E-CSC price is $23,915.00, a 46.9% saving from the Cisco list price of $45,000.00. 12816E-CSC is in stock and available for next-day dispatch. (terms applied)
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 12816E-CSC |  WS-X6824-SFP-2T |  HWIC-AP-AG-B |  WS-X4K-CLOCK-E |  WIC-1ADSL-T1 | |
|---|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco Integrated Services Routers |
| Connector Type | SFP+ | SFP+ and RJ-45 | RJ-45 | N/A | RJ-48 / ADSL Port |
| Data Rate | 10Gbps | 10Gbps | 1Gbps | N/A | 1.544Mbps (T1) / Up to 8Mbps (ADSL) |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Expansion Slots | N/A | SFP | EHWIC | N/A | WIC Slot |
| Form Factor | PCIe | Modular | Modular | PCIe | Modular (WIC slot) |
| Height | N/A | N/A | N/A | N/A | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 5V DC |
| Interface Ports | Ethernet | 24 SFP ports and 2 10GBASE-T ports | Ethernet | N/A | T1 and ADSL |
| Max Speed | 10Gbps | 10Gbps | 1Gbps | N/A | 1.544Mbps (T1) / Up to 8Mbps (ADSL) |
| Module Type | Ethernet | SFP+ Module with 10GBASE-T | Wi-Fi | N/A | WAN |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | N/A | 15W | N/A | N/A | 4W |
| Product Name | 12816E-CSC | WS-X6824-SFP-2T | HWIC-AP-AG-B | WS-X4K-CLOCK-E | WIC-1ADSL-T1 |
| Product Type | Network Module / Network Card | Network Module / Switch Card | Network Module / Network Card | Clock Card | WAN Module |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | High Precision Timing / Low Jitter Operation | Auto-negotiation, QoS |
| Supported Protocols | TCP/IP / Fibre Channel | TCP/IP | TCP/IP | N/A | TCP/IP, PPP, HDLC |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
The 1.28Tbps scheduler card is the heart of our core router. It provides the rock-solid timing needed for massive data throughput with perfect synchronization.
Robust and reliable. This CSC module handles the complex timing of our 12816 fabric with professional ease. Performance is consistently at carrier-grade levels.
Carrier-class excellence. This scheduler ensures our 1280Gbps fabric remains perfectly aligned, preventing any errors in high-speed data transmission. Highly recommended.
High-performance precision timing. This card is a vital component for our 12816 deployment, providing the stability and reliability required for our backbone.
Consistent and trustworthy timing. This enhanced clock scheduler has been 100% stable in our high-traffic production environment. A top-tier piece of hardware.
The Cisco 12816 1280Gbps Enhanced Clock Scheduler Card is a high-performance timing module for the Catalyst 12816 core switch, providing precise packet scheduling and low latency for large-scale networks.
The 12816E-CSC card is compatible exclusively with the Cisco Catalyst 12816 switch chassis and requires the corresponding supervisor engine for full functionality.
It delivers 1.28 Tbps of hardware-accelerated timing, deterministic packet scheduling, nanosecond-level accuracy, and optimized latency control for mission-critical environments.
It minimizes packet delay variation with hardware-based time stamping and precise queue management, ensuring consistent throughput and ultra-low jitter.