Cisco Systems UBR-3X10 Cabling the Downstream Ports to the Input Ports on the Upconverter, 4-17

Chapter 4 Cabling the RF Switch With the Cisco uBR10012 CMTS Cable Interface Line Cards

Connecting the RF Cables (MC16x, MC28C Line Cards)

Cabling the Downstream Ports to the Input Ports on the Upconverter

This section describes cabling the Cisco uBR10-LCP2-MC16xand Cisco uBR10-LCP2-MC28C line card downstream (DS) ports to the upconverter.

Equipment

These cables are part of the cable bundles (CAB-RFSW-3X10-T).

Tip Alternate gray and brown cables when cabling the Cisco uBR10-LCP2-MC28C card.

To cable the downstream ports to the upconverter, complete the following steps.

Step 1 Connect the cables to the downstream ports (MC16x–DS0, MC28C–DS0, DS1) on the line cards. Step 2 Run the cables up to the upconverter and add a 10-dB attenuator to the input cable, if necessary. Step 3 Connect the cables to the input ports (top) on the upconverter.

•See Table 4-3and Figure 4-11 on page 4-17when cabling a Cisco uBR10-LCP2-MC16xline card.

•See Table 4-4and Figure 4-12 on page 4-18when cabling a Cisco uBR10-LCP2-MC28C line card.

Figure 4-11 Cabling the Upconverter (MC16x)

16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

Input

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Table 4-3	Cisco uBR10-LCP2-MC16x Cabling (DS Ports to the Upconverter)
Color	Line Card Slot	UPx Conn.	Color	Line Card Slot	UPx Conn.
Gray	8/0—working	15	Gray	6/0—working	7
Gray	8/1—working	13	Gray	6/1—working	5
Gray	7/0—working	11	Gray	5/0—working	3
Gray	7/1—working	9	Gray	5/1—protect	1

Cisco uBR-3x10 RF Switch Hardware Installation and Cabling Guide

OL-1984-06 4-17