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REVIEW DRAFT—CISCO CONFIDENTIAL
1-6
Cisco 1805 DOCSIS Cable Router Hardware Installation Guide
OL-14661-01
Chapter 1 Product Description
Interface Numbering
Interface Numbering
Each individual interface (port) on a Cisco 1805 cable router is identified by a number. A Cisco 1805
cable router contains the following wide-area network (WAN) and local-area network (LAN) interface
types:
• Two onboard FastEthernet LAN interfaces
• Slot 0 Cisco cable modem HWIC
• Slot 1 Cisco 4-port 10/100BASE-T Ethernet switch HWIC
The numbering format for the slots is interface-type 0/slot-number/interface-number. Table 1-3
summarizes the interface numbering.
Specifications
Table 1-4 lists the specifications for Cisco 1805 DOCSIS cable router.
1 Input power connection 8 CompactFlash memory card slot
2 On/Off switch 9 CompactFlash LED
3 Slot 0 (cable modem HWIC) 10 AIM LED
4 Console port 11 USB port
5 Fast Ethernet ports and LEDs 12 Auxiliary port
6 Kensington security slot 13 Chassis ground connection
7 Slot 1 (4ESW HWIC)
Table 1-3 Interface Numbering
Slot Number Slot Type Slot Numbering Range Example
Onboard ports Fast Ethernet 0/0 and 0/1 interface fastethernet 0/0
Slot 0 HWIC 0/0/0 to 0/0/3 cable-modem 0/0/0
line async 0/0/0
Slot 1 HWIC 0/1/0 to 0/1/3 fastethernet 0/1/0
line async 0/1/0
Table 1-4 Cisco 1805 Cable Router Specifications
Description Specification
Dimensions (H x W x D) 1.73 x 13.5 x 10.8 in. (4.4 x 34.3 x 27.4 cm) without rubber feet
1.87 in. (4.75 cm) height with rubber feet
Weight 6.1 lb (2.77 kg)
Input voltage, AC power supply 100 to 240 VAC, autoranging
Frequency 47 to 63 Hz