Cisco Systems Routers
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| Manufacturer Part Number | Description | |
| NP-1F-D-MM | 1 Port Dual Attachment Multimode FDDI Network Processor Module | ![]() |
| NP-1F-S-M | 1 Port Dual Attachment Single Mode FDDI Network Processor Module | ![]() |
| NP-1E | 1 Port Ethernet Network Processor Module | ![]() |
| NP-1R | 1 Port Token Ring Network Processor Module | ![]() |
| SM25-BRI-U | 1-port BRI (U) w/ NT1 Module | ![]() |
| NP-2E | 2 Port Ethernet Network Processor Module | ![]() |
| NP-2T | 2 Port Serial Network Processor Module | ![]() |
| NP-2R | 2 Port Token Ring Network Processor Module | ![]() |
| NP-4B | 4 port ISDN Network Processor Module | ![]() |
| NP-4T | 4 Port Serial Network Processor Module | ![]() |
| NP-6E | 6 Port Ethernet Network Processor Module | ![]() |
| CISCO2517 | Cisco 11 Port Dual Serial Token Ring Router | ![]() |
| CISCO2507 | Cisco 16 Port Ehternet Dual Router | ![]() |
| CISCO1721 | Cisco 1721 Modular Access Router EN, Fast EN Cisco IOS | ![]() |
| CISCO3620 | Cisco 2 Slot Modular Router, EN, Fast EN, Cisco IOS, rack-mountable | ![]() |
| CISCO2612 | Cisco 2612 Router, EN, Token Ring, Cisco IOS 12.1(5)T | ![]() |
| CISCO2524 | Cisco 3 Port Serial Ethernet Modular Router | ![]() |
| CISCO2521 | Cisco 4 Port Serial Token Ring Router | ![]() |
| CISCO3640 | Cisco 4 Slot Modular Router, EN, Fast EN, Cisco IOS, rack-mountable | ![]() |
| C4000 M+ | Cisco 4000-M+ 3-Slot Router, 40MHZ RISC, 8FL, 32DR | ![]() |
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