Cisco WS-C1912-A Hardware Installation Guide - Page 61
Ports and Cabling, Port or Connection, Port Type, Color, Connected to, Cable
UPC - 746320021522
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Chapter 4 Installing and Connecting the Router Connecting WAN and LAN Cables Ports and Cabling Table 4-1 summarizes some typical WAN and LAN connections for Cisco 1900 series routers. These connections are also described in detail in Cisco Modular Access Router Cable Specifications. Table 4-1 WAN and LAN Connections Port or Connection Port Type, Color1 Connected to: Cable Gigabit Ethernet (GE) RJ-45, yellow Ethernet switch or hub. Crossover to connect to a router Straight-through to connect to a switch T1/E1 WAN RJ-48C T1 or E1 network or CSU/DSU. RJ-48 T1/E1 straight-through (Crossover to connect to a PBX or any other equipment) Cisco serial (1T) Cisco Smart serial (2T) 60-pin D-sub, blue Cisco Smart compact connector, blue CSU/DSU and serial network or equipment. CSU/DSU and serial network or equipment. For WIC-2T and WIC-2A/S only. 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 Cisco Modular Access Router Cable Specifications for information about selecting these cables. DSL BRI S/T WAN (external NT12) RJ-11C/RJ-14C RJ-45, orange Network demarcation RJ-11 straight-through for device for service provider's 2-wire DSL interface. RJ-14 straight-through for 4-wire NT1 device or PINX3 RJ-45 straight-through BRI U WAN (built-in NT1) RJ-49C/CA-A11, ISDN network orange RJ-49 straight-through Analog modem RJ-11 PSTN RJ-11 straight-through 56/64-kbps CSU/DSU 8-pin modular RJ-48S interface. RJ-48 straight-through. 1. The color codes are specific to cables shipped by Cisco 2. NT1 = Network Termination 1 3. PINX = Private integrated network exchange OL-19084-02 Cisco 1900 Series Hardware Installation 4-13