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PA-E3
Model:Cisco 7200 Series 1 Port E3 Serial Port Adapter with E...
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PA-E3 is a high-performance Ethernet module designed for modern data centers and enterprise networks. It supports speeds up to 10Gbps and incorporates an SFP+ connector, ensuring reliable high-speed connectivity to routers, switches, and servers. Built on a PCIe form factor for straightforward installation, PA-E3 accommodates protocols such as TCP/IP and iSCSI, making it a practical solution for upgrading network interfaces and expanding data center capacity.
PA-E3 delivers robust performance with features like auto-negotiation, jumbo frames, and quality of service (QoS) support to optimize network traffic. Designed to operate within a temperature range of 0 to 70°C and stored between -40 to 85°C, this module is ideal for demanding environments where both efficiency and durability are essential.
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A multinational enterprise leverages the Cisco 7200 Series 1 Port E3 Serial Port Adapter with integrated E3 DSU to provision a dedicated 34.368 Mbps E3 circuit between primary and disaster-recovery data centers. The carrier-grade link delivers predictable throughput, low jitter, and SLA-backed performance for accelerated data replication and seamless business continuity.
A global financial trading firm deploys the Cisco 7200 Series router with PA-E3 Serial Port Adapter and built-in E3 DSU to connect its trading platform directly to the stock exchange via a high-bandwidth 34 Mbps E3 line. This setup ensures sub-10 ms latency, minimal packet loss, and strict carrier SLAs, optimizing transaction speeds and securing a competitive edge.
A telecommunications provider installs the Cisco 7200 Series with 1 Port E3 Serial Port Adapter and E3 DSU at remote branch offices to integrate them into its MPLS backbone over E3 circuits. The solution delivers scalable 34 Mbps connectivity, rapid provisioning via integrated DSU, reduced operational costs, and high service reliability for end customers.
To get the detailed certification, please go to the Compliance Center.
 PA-E3 |  PA-A6-OC3SMI |  PA-2H-IPP |  PA-MC-2E1/120 |  PA-8E-IPP | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | WAN Module | Network Module / Network Card | Network Module / Network Card | Network Module / Network Card |
| Module Type | Ethernet | OC-3 Optical Module | Ethernet | Ethernet | WAN Module |
| Data Rate | 10G | 155.52 Mbps | 10Gbps | 1Gbps | 10Gbps |
| Connector Type | SFP+ | LC Duplex | RJ-45 | RJ-45 | RJ-45 |
| Supported Protocols | TCP/IP / iSCSI | SONET/SDH | TCP/IP | TCP/IP | TCP/IP |
| Form Factor | PCIe | Modular | PCIe | PCIe | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Routers / Switches / Servers | Cisco, Juniper | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Arista / Dell / HP | Routers, Switches, Servers |
| Max Speed | 10Gbps | OC-3 (155.52 Mbps) | 10Gbps | 1Gbps | 10Gbps |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS |
| Power Consumption | 15W | 15W | N/A | N/A | N/A |
| Interface Ports | Ethernet | LC Duplex | Ethernet | Ethernet | Ethernet |
| Expansion Slots | SFP+ | N/A | N/A | N/A | N/A |
| Product Name | PA-E3 High Performance Ethernet Module | PA-A6-OC3SMI Optical Carrier Module | PA-2H-IPP | PA-MC-2E1/120 | PA-8E-IPP |
| Height | 1.5 inches | 1.2 inches | N/A | N/A | N/A |
| Width | 3.5 inches | 3.4 inches | N/A | N/A | N/A |
| Depth | 4.0 inches | 0.8 inches | N/A | N/A | N/A |
| Weight | 0.8 lbs | 0.5 lbs | N/A | N/A | N/A |
The PA-E3 module has been essential for our network. It provides high-speed E3 connections, enhancing our infrastructure with reliable performance.
We've integrated the PA-E3 module into our system, and it's performed flawlessly. It supports high-speed E3 connections, ensuring smooth data transfer.
The PA-E3 is reliable and provides high-speed connectivity. It has improved the efficiency of our network, handling data transfer seamlessly.
This module supports high-speed E3 connections and works perfectly in our setup. The PA-E3 ensures stable and fast performance across our network.
The PA-E3 module is an excellent addition to our infrastructure. It offers fast, stable E3 connections and enhances our network's overall efficiency.
The Cisco PA-E3 is a 1-port E3 Serial Port Adapter with integrated DSU/CSU designed for the Cisco 7200 Series routers to provide reliable 34.368 Mbps WAN connectivity.
The PA-E3 module is supported in Cisco 7200 VXR and 7200 VXR-Engines that have a Packet-Switching Engine (PSE) slot and IOS releases 12.2(25)SB or later.
The PA-E3 supports E3 (34.368 Mbps) unframed serial data and common protocols including HDLC, PPP, Frame Relay, and Cisco encapsulation over an integrated DSU.
Power down the router, insert the PA-E3 into an available PSE slot until it latches, reconnect power, and verify module presence with the show diag command.