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PA-4R Half-Duplex Token Ring Port Adapter Installation and Configuration
OL-3589-01
VIP2 and the 4R Port Adapter
Figure 8 VIP2-15 or VIP2-40 with a 4R Port Adapter in Port Adapter Slot 0
Port adapters have a handle attached, but this handle is not shown to allow a full view of detail on each
port adapter’s faceplate.
Installing or Replacing a Port Adapter on a VIP2
Depending on the circumstances, you might need to install a new port adapter on a VIP2 motherboard
or replace a failed port adapter in the field. In either case, you need a number 1 Phillips screwdriver, an
antistatic mat onto which you can place the removed interface processor, and an antistatic container into
which you can place a failed port adapter for shipment back to the factory.
Caution To prevent system problems, do not remove port adapters from the VIP2 motherboard, or attempt to
install other port adapters on the VIP2 motherboard, while the system is operating. To install or replace
port adapters, first remove the VIP2 from its interface processor slot.
Note Each port adapter circuit board is mounted to a metal carrier and is sensitive to ESD damage. Each port
adapter has one Phillips-head screw that secures it to its port adapter slot. We strongly recommend that
the following procedures be performed by a Cisco-certified service provider; however, this is not a
requirement.
While the VIP2 supports online insertion and removal, individual port adapters do not. To replace port
adapters, you must first remove the VIP2 from the chassis, then install or replace port adapters as
required. If a blank port adapter is installed on the VIP2 in which you want to install a new port adapter,
you must first remove the VIP2 from the chassis, then remove the blank port adapter.
H6452
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4R in port
adapter
slot 0
4T in port
adapter slot 1
Port adapter
handles not shown
Bus connector
DRAM
SIMMs
SRAM
DIMM U5
CPU
U6
U2
U4
Boot ROM