Versatile Interface Processor Installation and Configuration

VIP-4R/4T Installation and Configuration 29

VIP Port Adapter Functions

The following sections discuss the port adapters used with the VIP:

• 4R Port Adapter

• 4T Port Adapter, page 45

4R Port Adapter

The following sections discuss the 4R port adapter, which is shown in Figure 13.

• Token Ring Overview, page 30

• Token Ring Speciﬁcations and Physical Connections, page 30

• Token Ring Connection Equipment, page 32

• Token Ring Distance Limitations, page 33

• Token Ring Speed Considerations, page 33

• 4R Port Adapter LEDs, page 33

• 4R Port Adapter Receptacles, Cables, and Pinouts, page 34

• Attaching 4R Port Adapter Interface Cables, page 35

• Conﬁguring the 4R Interfaces, page 36

The 4R port adapter (see Figure 13) is currently available on the VIP-4R/4T, which has two port

adapter slots: port adapter slot 0 and port adapter slot 1. The 4R port adapter, which is installed in

port adapter slot 0, provides up to four IBM Token Ring or IEEE 802.5 Token Ring interfaces. Each

Token Ring interface can be set for 4 Mbps or 16 Mbps. All Token Ring ports run at wire speed.

Figure 13 4R Port Adapter, Faceplate View

H4493

TOKEN RING