
Table 4  | Port Adapters Supported by the   | 
  | 
  | |
  | 
  | 
  | 
  | 
  | 
  | 
  | 
  | Number of  | Single or  | 
Product Number  | Description  | Ports  | Dual Width  | |
  | 
  | 
  | 
  | |
 | 2  | Single  | ||
  | 
  | 
  | 
  | 
  | 
  | Ethernet 10BaseT  | 4  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | Ethernet 10BaseT  | 8  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | FDDI Multimode  | 1  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | FDDI   | 1  | Single  | |
  | 
  | 
  | 
  | |
FDDI Full Duplex Multimode  | 1  | Single  | ||
  | 
  | 
  | 
  | 
  | 
 | 
  | FDDI Full Duplex   | 1  | Single  | 
  | 
  | 
  | 
  | 
  | 
  | Serial, Enhanced  | 4  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | Serial, V.35  | 8  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | Serial, RS232  | 8  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | Serial, X.21  | 8  | Single  | |
  | 
  | 
  | 
  | |
T3 Serial Interface  | 1  | Single  | ||
  | 
  | 
  | 
  | |
T3 Serial Interface  | 2  | Single  | ||
  | 
  | 
  | 
  | 
  | 
 | 
  | E3 Serial Interface  | 1  | Single  | 
  | 
  | 
  | 
  | 
  | 
  | E3 Serial Interface  | 2  | Single  | |
  | 
  | 
  | 
  | |
E1 G.703 Serial (75 ohm/Unbalanced)  | 4  | Single  | ||
  | 
  | 
  | 
  | |
E1 G.703 Serial (120 ohm/Balanced)  | 4  | Single  | ||
  | 
  | 
  | 
  | 
  | 
  | Multichannel T3  | 1  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | Multichannel E3  | 1  | Single  | |
  | 
  | 
  | 
  | |
Multichannel DS1/PRI T1 (100 ohm)  | 2  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel DS1/PRI T1 (100 ohm)  | 4  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel DS1/PRI T1 (100 ohm)  | 8  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel with two T3 interfaces  | 2  | Single  | ||
  | 
  | 
  | 
  | |
 | Multichannel DS1/PRI T1 (100 ohm)  | 8  | Single  | |
  | 
  | 
  | 
  | |
Multichannel E1 with G.703   | 2  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel E1 with G.703   | 8  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel   | 1  | Single  | ||
  | 
  | 
  | 
  | |
Multichannel   | 1  | Single  | ||
  | HSSI  | 1  | Single  | |
  | 
  | 
  | 
  | 
  | 
  | HSSI  | 2  | Single  | |
  | 
  | 
  | 
  | |
Multimode fiber  | 2  | Dual  | ||
2  | Dual  | |||
2  | Dual  | |||
 | 
 | 2  | Dual | |
1.Supported only on the Cisco 
2.Requires Cisco IOS 12.1(12)E or later or Cisco IOS 12.1(22)S or later.
Versatile Interface Processor 
8  | 
  | |
  |