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PA-8T-X21
- Description:
- Model:Cisco 7200 Series 8-Port Serial, X.21 Port Adapter
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$8,093.20
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PA-8T-X21
Model:Cisco 7200 Series 8-Port Serial, X.21 Port A...
$8,093.20
$3,156.35
8 in Global Warehouse
$3,156.35
61% off
TRUSTED, TRIED, PROVEN
PA-8T-X21 Overview
PA-8T-X21 is a high-performance 10Gbps Ethernet module designed for seamless integration into routers, switches, and servers. It features a robust SFP+ connector that supports high-speed data transfers while conforming to essential protocols such as TCP/IP and iSCSI. Its PCIe form factor ensures effortless installation in modern data centers and enterprise networks.
Engineered for expanding data center capacity and upgrading network interfaces, PA-8T-X21 offers outstanding compatibility with leading vendors like Cisco, Juniper, Dell, and HP. This module provides advanced features including auto-negotiation, jumbo frames, and QoS, making it an ideal solution for connecting to high-speed networks while achieving optimized performance and energy efficiency.
What is the price of PA-8T-X21?
Lowest price of PA-8T-X21 is $ 3,156.35. Shop now! Get further exclusive discounts with bulk quotation on PA-8T-X21
Explore more options from Network Modules And Cards or explore other Cisco products.
PA-8T-X21 Specifications
| Product Type | Network Module / Network Card |
| Module Type | Ethernet |
| Data Rate | 10G |
| Connector Type | SFP+ |
| Supported Protocols | TCP/IP / iSCSI |
| Form Factor | PCIe |
| Operating Temperature | 0 to 70°C |
| Storage Temperature | -40 to 85°C |
| Input Voltage | 3.3V |
| Compatibility | Cisco / Juniper / Dell / HP |
| Max Speed | 10Gbps |
| Supported Features | Auto-negotiation / Jumbo Frames / QoS |
| Power Consumption | 8W |
| Interface Ports | Ethernet |
| Expansion Slots | N/A |
| Product Name | PA-8T-X21 10Gbps Ethernet Module |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
PA-8T-X21 Use Case
Legacy WAN Integration for Multi-Carrier Networks
A telecom enterprise leverages the PA-8T-X21-Model:Cisco 7200 Series 8-Port Serial, X.21 Port Adapter to consolidate multiple X.21 leased lines across heterogeneous routers. By standardizing on Cisco 7200 Series hardware, the network achieves seamless multi-carrier WAN integration, reduces operational complexity, and lowers recurring circuit costs through centralized provisioning and enhanced line utilization.
High-Availability Financial Trading Connectivity
A global financial institution deploys the PA-8T-X21-Model:Cisco 7200 Series 8-Port Serial, X.21 Port Adapter as a redundant trading-floor backup link over X.21 circuits. Automated failover across eight serial ports ensures sub-30 ms switchover, maintaining ultra-low latency and regulatory compliance for mission-critical market data feeds.
SCADA Telemetry in Industrial Automation
An energy utility implements the PA-8T-X21-Model:Cisco 7200 Series 8-Port Serial, X.21 Port Adapter to aggregate remote SCADA RTU telemetry over secure X.21 channels. Centralized serial connectivity enhances operational visibility, boosts fault tolerance for remote-site equipment, and streamlines maintenance through uniform Cisco IOS management.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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|---|---|---|---|---|---|
| Compatibility | Cisco 7200 Series Routers, Cisco Switches | Cisco, Juniper, Arista, Dell, HP | Cisco / Juniper / Dell / HP | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP |
| Connector Type | RJ-45 | SFP+ | SFP+ | SFP+ | SFP+ |
| Data Rate | 1Gbps | 10G | 10G | 10G | 10Gbps |
| Depth | N/A | N/A | N/A | 0.75 inches | 5 inches |
| Expansion Slots | NIM | N/A | N/A | PCIe | N/A |
| Form Factor | Modular | PCIe | PCIe | PCIe | PCIe |
| Height | N/A | N/A | N/A | 1.73 inches | 0.5 inches |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Interface Ports | Ethernet | SFP+ | Ethernet | SFP+ | SFP+ |
| Max Speed | 1Gbps | 10Gbps | 10Gbps | 10Gbps | 10Gbps |
| Module Type | Ethernet Module | Ethernet | Ethernet | Ethernet | Ethernet |
| 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 | 8W | 12W | 5W |
| Product Name | Cisco C7200-VSA | PA-8T-V35 | PA-8T-X21 10Gbps Ethernet Module | PA-MC-E3 High-Performance Ethernet Module | PA-POS-2OC3 High-Speed Ethernet Module |
| Product Type | Network Module | Network Card | Network Module / Network Card | Network Card | Network 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, Jumbo Frames | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Jumbo Frames / QoS | Auto-negotiation, Jumbo Frames, QoS | Auto-negotiation, Jumbo Frames, QoS |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP, iSCSI | TCP/IP / iSCSI | TCP/IP | TCP/IP, iSCSI |
| Weight | N/A | N/A | N/A | 0.5 lbs | 1.2 lbs |
| Width | N/A | N/A | N/A | 4.19 inches | 3.5 inches |
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Questions & Answers
Q
What is the Cisco 7200 Series 8-Port Serial X.21 Port Adapter (PA-8T-X21)?
A
The PA-8T-X21 is a high-density interface module for Cisco 7200 Series routers providing eight X.21 ports for reliable WAN connectivity.
Q
Which Cisco routers support the PA-8T-X21 adapter?
A
The PA-8T-X21 is fully compatible with Cisco 7200 Series routers, including models 7201, 7202, and their variants.
Q
What are the key technical specifications of the PA-8T-X21?
A
It features eight X.21 DCE/DTE ports, supports data rates from 64 kbps to 2.048 Mbps, and requires a single 64-bit PCI slot.
Q
How do I install the PA-8T-X21 in a Cisco 7200 Series router?
A
Power down the router, insert the PA-8T-X21 into an available interface slot until it clicks, then secure the module and power up the router.
Q
What cable types are supported by the Cisco PA-8T-X21?
A
The adapter supports standard X.21 cables with DB-15 male connectors for both DCE and DTE configurations.
Q
Does the PA-8T-X21 support synchronous and asynchronous connections?
A
The PA-8T-X21 supports synchronous X.21 connections exclusively; asynchronous serial operation is not supported.
Q
What data rates does the Cisco PA-8T-X21 support?
A
It supports line speeds from 64 kbps up to 2.048 Mbps per port to accommodate common WAN requirements.
Q
How do I configure the X.21 interfaces on the Cisco 7200 router?
A
In global configuration mode, use interface x21 <slot>/<port>, set clock rate if DCE, define encapsulation, and apply no shutdown.
Q
What are common use cases for the PA-8T-X21 adapter?
A
Typical use cases include connecting to public data networks, leased-line services, and legacy telecom infrastructures.
Q
Is the PA-8T-X21 module hot-swappable?
A
Yes, the PA-8T-X21 is hot-swappable in supported Cisco 7200 Series routers running an IOS release that supports online insertion and removal.
Q
How can I verify port status on the PA-8T-X21?
A
Use the CLI command show interfaces x21 <slot>/<port> and check the port status LEDs for link and activity indicators.
Q
What Cisco IOS software is required for the PA-8T-X21?
A
Cisco IOS Release 12.0(5)T or later with the desired feature set (IP, Advanced IP Services) is required for full adapter support.
Q
How do I troubleshoot connectivity issues on the X.21 adapter?
A
Verify cable integrity, check clocking settings with show controllers x21, review interface errors, and update to the latest IOS.
Q
What warranty and support options are available for Cisco PA-8T-X21?
A
The module comes with a one-year limited hardware warranty and optional Cisco SMARTnet® services for enhanced support.
Q
Where can I purchase the Cisco PA-8T-X21 and what is the price range?
A
You can buy the PA-8T-X21 through authorized Cisco resellers; pricing typically ranges from USD 500 to USD 1,500 depending on contract terms.
Q
Does the PA-8T-X21 require additional licensing?
A
No additional hardware licensing is required beyond the router’s IOS feature set, though advanced features may need corresponding software licenses.
