Cisco 1841 Quick Start Guide - Page 13

Table 1 summarizes the basic WAN and LAN connections for the Cisco 1841 router. Table 1 WAN and LAN Connections Port or Connection Fast Ethernet (FE) Port Type, Color1 RJ-45, yellow Connected To: Ethernet hub T1/E1 WAN RJ-48C T1 or E1 network or CSU/DSU Cisco serial (1T) Cisco Smart serial (2T) 60-pin D-sub, blue CSU/DSU and serial network or equipment Cisco Smart compact CSU/DSU and serial network or connector, blue equipment For WIC-2T and WIC-2A/S only DSL RJ-11C/RJ-14C Network demarcation device for service provider's DSL interface BRI S/T WAN (external NT12) BRI U WAN (built-in NT1) RJ-45, orange RJ-49C/CA-A11, orange NT1 device or PINX3 ISDN network Analog modem RJ-11 PSTN 56/64-kbps CSU/DSU 8-pin modular RJ-48S interface 1. The color codes are specific to cables shipped by Cisco 2. NT1 = Network Termination 1 3. PINX = Private integrated network exchange Cable Crossover to connect to a router Straight-through to connect to a switch RJ-48 T1/E1 straight-through (Crossover to connect ot a PBX or any other equipment) Cisco serial transition cable that matches the signaling protocol (EIA/TIA-232, EIA/TIA-449, V.35, X.21, or EIA/TIA-530) and the serial port operating mode (DTE or DCE). Refer to the Cisco Modular Access Router Cable Specifications document for information about selecting these cables. RJ-11 straight-through for 2-wire RJ-14 straight-through for 4-wire RJ-45 straight-through RJ-49 straight-through RJ-11 straight-through RJ-48 straight-through Console, Auxiliary, and USB Port Connections The connections described in Table 2 provide system management access. Note The USB port (version 1.1) is intended for future use only. Table 2 Console and Auxiliary Port Connections Port or Connection Console Auxiliary Color or Type Light blue Black Connected To: PC or ASCII terminal communication port (usually labeled COM) Modem for remote access USB - Peripheral devices Cable RJ-45-to-DB-9 console cable RJ-45-to-DB-9 console cable and DB-9-to-DB-25 adapter USB cable 13