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Book Title

78-13113-06 B0

Chapter 3 Installing and Removing the Uplink Cards

Connecting the Ports on the RPR/SRP, DPT, and POS/DPT Uplink Cards

Figure 3-18 RPR/SRP Uplink Card Ports

If you are connecting to an RPR/SRP network, the two ports represent the two sides of a single RPR or

SRP connection:

• Span West in RPR mode, side A in SRP mode (see Figure 3-18)

• Span East in RPR mode, side B in SRP mode (see Figure 3-18)

The left side of each port is TX and the right side of each port is RX.

Step 2 Add attenuators to keep signal power within specifications for short distances.

Step 3 Install any console port cable or auxiliary port cable.

For basic troubleshooting tips, see the “Troubleshooting the Uplink Cards Installation” section on

page 5-6.

1 Span West for RPR mode

Side A for SRP mode

6 Span East/Side B RX

2 Span West/Side A TX 7 Console port

3 Span West/Side A RX 8 Auxiliary port

4 Span East for RPR mode

Side B for SRP mode

9 Reset switch

5 Span East/Side B TX

CONSOLE AUX

RESET

OVERTEMP

CARD FAIL

SYSTEM STATUS

POWER

ACTIVE

CARRIER

RX PKT

PASS THRU

PROTECT

10720-SR-LC

116785

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Cisco 10720 - Internet Router Spezifikationen Seite 46