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CHAPTER
VIP2 and the PA-E3 3-1
3
VIP2 and the PA-E3
This chapter provides information on the PA-E3 serial port adapter and its use on the VIP2 in
Cisco 7000 series and Cisco 7500 series routers. This chapter contains the following sections:
• Overview, page 3-1
• Removing a Port Adapter, page 3-4
• Installing a Port Adapter, page 3-5
Overview
The PA-E3 is used on the VIP2 in Cisco 7000 series and Cisco 7500 series routers and can be
installed in either port adapter slot 0 or slot 1 on the VIP2 motherboard.
Note You can have up to three E3 serial interfaces on a VIP2 motherboard. Cisco recommends a
configuration of one PA-E3 (with one E3 serial interface) and one PA-2E3 (with two serial
interfaces) for a total of three E3 serial interfaces per VIP2.
Figure 3-1 shows two one-port PA-E3 port adapters installed in port adapter slot 0 and slot 1, on a
VIP2-15 or VIP2-40.