• Cisco 2911 Slot Numbering Software
• Cisco 2911 Slot Numbering
• Cisco 2911 Port Numbering

Cisco 2901 routerdelivers highly secure data, voice, video, and application services for small offices. It offers embedded hardware encryption acceleration, voice-and video-capable digital signal processor (DSP) slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, xDSL, copper and fiber GE.

Cisco 1861 and Cisco 2800, 3800, 2900, 3900, and 3900E Series Integrated Services Router Interoperability with Cisco Unified Communications Manager Data Sheet (PDF - 1 MB) Cisco ISR & ASR Application Experience Routers Ordering Guide (PDF - 158 KB). Effectively, all modules are connected to the motherboard slot on the switch, which is always slot 0 and the first zero in the interface name. If you have a switch installed in a router HWIC or working with a chassis-based system, specify the slot that the card is installed into and then the interface in the format of 0/0/1 — 0 for the. Figure 3 shows the back panel of Cisco ISR4331/K9. Note: (1) RJ45 Ports (3) NIM Slots (2) SFP Ports (4) SM-X Slot (1) & (2): These four ports include one combo port, one RJ45 port and one SFP port. It means the RJ45 and SFP in the combo port can't be used at the same time. NIM slots support one double-wide or two signal-wide modules.

Key features of Cisco 2901/k9 includes:

• a. 2 integrated 10/100/1000 Ethernet ports
• b. 4 enhanced high-speed WAN interface card slots
• c. 2 onboard digital signal processor (DSP) slots
• d. 1 onboard Internal Service Module for application services
• e. Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE
• f. Security: Embedded hardware-accelerated VPN encryption for secure collaborative VPN communications; Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering; Identity management that uses authentication, authorization, and accounting (AAA) and public key infrastructure
• g. Voice: High-density-packet voice DSP module, optimized for voice and video; Standards-certified VoiceXML browser services; Cisco Unified Border Element capabilities; Cisco Unity Express voicemail support; Support for Cisco Communications Manager Express and Survivable Remote Site Telephony

The 2901 router that will be used as an example in the following part is the successor to Cisco’s 2500, 2600 and 2800 series lines of routers. It is 1RU (Rack Unit) in size and is often referred to as a ‘pizza box’ router.

The Front and Back of the Cisco 2901/Cisco 2901 Router-Front and Rear View

Here we will focus on the hardware setup of a Cisco router. There are a number of different module options that are available for the Cisco 2901 router. The first thing that any engineer must do with a new router (or new to them) is to configure and update it to meet the needs of its intended role in the network. To do this the engineer must connect a cable to the 2901 router to access the console of the device. With older routers the only option when connecting to the console was via a custom rollover cable which was then used in combination with a RJ-45 to DB-9 or DB-25 converter which enabled a connection with a serial port on a PC. Since almost all newer PCs (including laptops) no longer have conventional serial ports many companies have developed USB to serial cable adapters which allow a connection to these older devices via a modern USB port. The 2901 has two different available methods of connection; via the older style RJ-45 port and a rollover cable OR via a direct mini-USB connection to the device.

The Cisco 2901 (and most new series devices) includes built-in Gigabit Ethernet interfaces (2) that can be used to connect the router to the network. The Gigabit Ethernet ports on routers are pinned the same as hosts/PC’s and do not require crossover Ethernet cables to connect to Switches. Some of the higher model routers also support small-form-factor pluggable (SFP) Gigabit Ethernet ports which enable the use of fiber directly into the device.

Size of Cisco 2901

The Cisco 2901 router is able to be used in a number of different physical locations. It is small enough to be used as a desktop device or it can be used in a 19 or 23 inch rack with the addition of rack brackets. The routers that are placed into racks are higher in model number than the 2901 and therefore are larger than 1RU.

Limitations of CISCO 2901 ROUTER

The Cisco 2901 is limited in the type of additional modules that it can utilize. In the rear of the 2901 there are four Enhanced High-Speed Interface Card (EHWICs) slots. The Cisco 2911 router, for example, also supports a single Service Module (SM) on top of supporting the same four EHWIC slots. Generally speaking the higher the router series number the more flexibility will exist on type of module supported.

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Cisco Unified Communications system of voice, video and IP communications products and applications enables organizations to communicate more effectively-enabling them to streamline business processes, reach the right resource the first time and impact the top and bottom line. The Cisco Unified Communications portfolio is an integral part of the Cisco Business Communications Solution-an integrated solution for organizations of all sizes which also includes network infrastructure, security, and network management products, wireless connectivity, and a life-cycle services approach, along with flexible deployment and outsourced management options, end-user and partner financing packages, and third party communications applications.

Wiring Procedure for DC Input on Cisco 2911, 2921, and 2951 Routers

To connect a router to a DC power source, perform the following steps:

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position.

Warning Follow proper Lockout /Tagout Procedures as defined by your company in accordance with local and national laws (e.g. Title 29 CFR Part 1910.147).

Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit. Statement 1003

Warning Use copper conductors only. Statement 1025

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement 1030

Tip Tip Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

Warning When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor. Statement 1002

Step 2 Strip the wires to the appropriate length for the terminals. The strip length is 5/64 to 1/8 inch (2 to 4 mm) for Amp/Tyco No. 32957 terminals.

Step 3 Crimp the terminals to the power input and safety ground wires.

Step 4 Remove the plastic covers from the terminal block. Save the covers for reinstallation after you finish wiring.

Cisco 2911 Slot Numbering Software

Step 5 Connect the wires to the terminal block, starting with the safety ground wire. Connect each wire to the appropriate terminal as shown in Figure 1. Tighten the terminal screws to 8.0 ± 0.5 in-lb (0.9 ± 0.05 N-m).

Warning This unit might have more than one power supply connection. All connections must be removed to de-energize the unit. Statement 1028

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last. Statement 239

Warning An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure that no exposed portion of the DC-input power source wire extends from the terminal block plug. Statement 122

Caution Dual sources with opposite-polarity grounding damage equipment.

Caution Caution Do not overtorque the terminal block contact screws. Recommended torque is 5.0 ± 0.5 in-lb (0.56 ± 0.06 N-m) for 2911 series routers, and 9 ± 1.0 in-lb (1.02 ± 0.11 N-m)

Figure 3-20 DC Power Connections for Cisco 2911, 2921, and 2951 Routers

Cisco 2911 Slot Numbering

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Return Material Authorization (RMA) Process

If your Cisco products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

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