Instruction/ maintenance manual of the product MGX 8260 Cisco
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CHAPTER 5-1 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 5 Connecting the Cables This chapter describes ho w to connect the interface cables, po wer the system, and check the status LEDs on circuit cards to make sure you ha ve installed e v erything properly .
5-2 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting the BITS Cable Connecting the BITS Cable A wiring diagram for a BITS cable is provided in Appendix A, “Cable and Connector Reference.
5-3 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting DS3 Coaxial Cables Step 2 Connect the other end of the cable to the Stratum timing standard in your facility . Step 3 If your system has a redundant SCC, repeat Step 1 and Step 2 for the adjacent SCC.
5-4 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting DS3 Coaxial Cables Figur e 5-2 Connecting Nonr edundant DS3 Cables T o connect DS3 cables to redundant BSCs, follow these steps. Note Label each cable with identifying information suitable for tracking in the MGX 8260 conf iguration database.
5-5 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting T1 Cables via RJ-21 Connectors Figur e 5-3 Connecting Redundant DS3 Cables Connecting T1 Cables via RJ-21 Connectors DS1 trunks consist of two pairs of tip and ring wires—one pair for transmit signals and one pair for receiv e signals.
5-6 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting T1 Cables via RJ-21 Connectors Step 5 T ighten the scre ws at the top and bottom of the recei ve 50-pin connector . Step 6 Repeat Step 1 through Step 5 for other NSC back cards.
5-7 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting E1 Cables via RJ-48 Connectors Connecting E1 Cables via RJ-48 Connectors Each E1 trunk consists of two pairs of tip and ring wires—one pair for transmit and one pair for recei ve.
5-8 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting E1 Cables via RJ-48 Connectors Figur e 5-5 Connecting E1 Cables PWR B PWR A -48VDC A RTN A BITS CO.
5-9 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting Fast Ethernet Cables Connecting Fast Ethernet Cables This procedure applies to systems that use Fast Ethernet interf aces on the SCC back card for V oIP applications.
5-10 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting OC-3 Cables Connecting OC-3 Cables Note This procedure applies to MGX 8260 nodes conf igured with SCC OC-3 back cards for f iber interf ace to Cisco MGX 8850 A TM switches.
5-11 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting OC-3 Cables Figur e 5-7 Connecting OC-3 Cables PWR B PWR A -48VDC A RTN A BITS CONSOLE AUX ALARM .
5-12 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting a Console Cable Connecting a Console Cable T o connect management console cables: Step 1 Connect an EIA/TIA-232 serial cable with a DB-9 connector to the SCC console connector .
5-13 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting Management Cables Connecting Management Cables An SCC back card includes two Ethernet ports for remote management. Each port is assigned its o wn IP address.
5-14 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Connecting Visual and Audible Alarms Connecting Visual and Audible Alarms T o connect alarm relay contacts, follow these steps: Step 1 Prepare a custom, multiple-conductor alarm cable for visual or audio alarms in your facility .
5-15 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Applying DC Power Step 5 Connect two return cables, one to each MGX 8260 R TN terminal for power circuit A. Connect the other ends to the R TN terminals at power source A.
5-16 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Applying DC Power Figur e 5-1 1 MGX 8260 Rear View of P ower Connections 31644 PWR B -48VDC B RTN B PWR A -4.
5-17 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Applying DC Power Figur e 5-12 Installing the P o wer T er minal Cover PWR A -48VDC A R TN A PWR B -48VDC B .
5-18 Cisco MGX 8260 Hardware Installation Guide 78-10966-02 Chapter 5 Connecting the Cables Verifying LED States Verifying LED States Immediately after po wer up, perform the following steps: Step 1 V erify that the PWR A indicator on each SCC is illuminated.
An important point after buying a device Cisco MGX 8260 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Cisco MGX 8260 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Cisco MGX 8260 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Cisco MGX 8260 you will learn all the available features of the product, as well as information on its operation. The information that you get Cisco MGX 8260 will certainly help you make a decision on the purchase.
If you already are a holder of Cisco MGX 8260, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Cisco MGX 8260.
However, one of the most important roles played by the user manual is to help in solving problems with Cisco MGX 8260. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Cisco MGX 8260 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
