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PA-4R Half-Duplex Token Ring Port Adapter
Installation and Configuration
Product Numbers: PA-4R and PA-4R=
This configuration note describes the installation and configuration of the half-duplex PA-4R(=) Token
Ring port adapter, which can be used in the following supported platforms:
• Cisco 7200 series routers,, which consists of the 2-slot Cisco 7202, 4-slot Cisco 7204, and the 6-slot
Cisco 7206
• Second-generation Versatile Interface Processor (VIP2) in all Cisco 7500 series routers and Cisco
7000 series routers. (Refer to the section “Software and Hardware Requirements” on page 2.)
Note For VIP2 users, use this configuration note in conjunction with the configuration note
Second-Generation Versatile Interface Processor (VIP2) Installation and Configuration (Document
Number 78-2658-xx), which shipped with your VIP2.
For Cisco 7200 series router users, use this configuration note in conjunction with the Cisco 72xx
Installation and Configuration Guide that shipped with your Cisco 7200 series router.
Contents
This configuration note is organized into the following sections:
• Port Adapter Installation Prerequisites, page 2
• What Is the 4R Port Adapter?, page 9
• VIP2 and the 4R Port Adapter, page 13
• Cisco 7200 Series and the 4R Port Adapter, page 27
• Related Documentation, page 38
• Obtaining Documentation, page 39
• Obtaining Technical Assistance, page 40