Cisco WS-C2950T-24 Hardware Installation Guide - Page 126
Ports and Cabling, Port or Connection, Port Type, Color, Connection, Cable - data sheet
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Connecting WAN, LAN, and Voice Interfaces Chapter 3 Installing and Connecting the Router Ports and Cabling Table 3-5 Table 3-5 summarizes typical WAN, LAN, and voice connections for Cisco 2900 and Cisco 3900 series routers. The connections summarized here are also described in detail in the document on Cisco.com Cisco Modular Access Router Cable Specifications WAN, LAN, and Voice Connections Port or Connection Ethernet T1/E1 WAN xCE1T1-PRI Port Type, Color1 RJ-45, yellow RJ-48C/CA81A RJ-48S, tan Connection: Ethernet hub or Ethernet switch T1 or E1 network External T1 CSU or other T1 equipment T3/DS3/E3 WAN Cisco serial Cisco Smart serial BNC connector T3 network, CSU/DSU, or other T3/DS3 equipment 60-pin D-sub, blue CSU/DSU and serial network or equipment Cisco Smart compact CSU/DSU and serial network or connector, blue equipment ADSL RJ-11C/CA11A, lavender Network demarcation device for service provider DSL interface SHDSL RJ-11C/CA11A, lavender, RJ-14 Network demarcation device for service provider DSL interface T1/E1 digital voice RJ-48C/CA81A, tan Digital PBX, ISDN network, CSU/DSU Analog voice FXS RJ-11, gray Telephone, fax Analog voice FXO RJ-11, pink Central office, analog PBX Analog voice E&M RJ-45, brown Analog PBX BRI S/T WAN (external NT1) RJ-45/CB-1D, orange NT1 device or private integrated network exchange (PINX) BRI U WAN (built-in NT1) RJ-49C/CA-A11, red ISDN network 56/64-kbps DSU/CSU 8-pin modular, blue RJ-48S interface in subrate device or network T1/FT1 DSU/CSU 8-pin modular, blue RJ-48C interface Gigabit Ethernet SFP, LC, color according 1000BASE-SX, -LX, -LH, -ZX, optical to optical wavelength -CWDM Gigabit Ethernet SFP, RJ-45 copper 1000BASE-T Cable Category 5 or higher Ethernet RJ-48 T1/E1 RJ-48S to RJ-48S TE RJ-48S to RJ-48S NT RJ-48S to RJ-48S T1 RJ-48S to bare RJ-48S to BNC RJ-48S to twinaxial cable RJ-48S to DB-15 RJ-48S to DB-15 null 75-ohm coaxial cable Cisco serial transition cable that matches the signaling protocol (EIA/TIA-232, EIA/TIA-449, V.35, X.21, or EIA-530) and the serial port operating mode (DTE or DCE).2 RJ-11 straight-through RJ-11 straight-through for 2-wire RJ-14 straight-through for 4-wire RJ-48 T1/E1 RJ-11; RJ21 if using NM-HDA, straight-through RJ-45 RJ-45 straight-through RJ-48 straight-through RJ-48 straight-through RJ-48 straight-through Optical fiber as specified on applicable data sheet Category 5, 5e, 6 UTP 3-44 Cisco 2900 and 3900 Series Hardware Installation OL-18712-01