Cisco 3725 Software Configuration Guide - Page 26
Cisco 3631 Router Rear View - power supply
UPC - 746320810911
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Understanding Interface Numbering Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics Figure 1-6 Cisco 3631 Router Rear View For the Cisco 3660 router (see Figure 1-3), the slots are numbered as follows: • Slot 0 contains fixed FastEthernet ports and is located at the top of the chassis. • Slot 1 is at the bottom right (as viewed from the rear of the chassis), near the power supply. • Slot 2 is at the bottom left. • Slot 3 is at the right, above slot 1. • Slot 4 is at the left, above slot 2 • Slot 5 is at the right, above slot 3. • Slot 6 is at the left, above slot 4. For the Cisco 3620 and Cisco 3640 routers shown in Figure 1-4 and Figure 1-5, the slots are numbered as follows: • Slot 0 is at the bottom right (as viewed from the rear of the chassis), near the power supply. • Slot 1 is at the bottom left. • Slot 2 is at the top right, above slot 0. • Slot 3 is at the top left, above slot 1. For the Cisco 3631 router shown in Figure 1-6, the slots are numbered as follows: • Slot 0 for all built-in interfaces like the FastEthernet port at the bottom center near the Console/AUX ports • Slot 0 for all WAN interface card (WIC) interfaces • Slot 1 for network module interfaces at the bottom left. • Slot 2 for network module interfaces at the top left, above slot 1. Software Configuration Guide For Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers 1-6 OL-1957-04