Cisco 10720 Configuration Guide - Page 88

Verifying the Cisco 10720 Internet Router LEDs Chapter 3 Installing the Cisco 10720 Internet Router Note Note that the RPR/SRP uplink card uses the label "PROTECT" instead of "WRAP," and the positions of these two LEDs are different from that on the DPT or POS/DPT uplink card. Table 3-8 LED ACTIVE CARRIER RX PKT PASSTHRU PROTECT RPR/SRP Uplink Status LEDs Activity Green Amber Blinking amber Off Green Amber Off Green Off Green Off Green Off Amber Blinking green Blinking amber Description Port is enabled by software. There is no side mismatch or loopback. Loopback is on. Port is enabled by software and there is a side mismatch. There is no loopback. Port is not enabled by software Port is up and there is a valid SONET signal without any alarms. Port is up and there is at least one alarm (LOS, LOF, RDI, and so on.) Off. Framer is receiving packets. Framer is not receiving packets. Port is in Pass-thru mode. Port is operating normally. Remote wrap. No wrap. Local wrap. Remote steer. Local steer. For more specific information on these and other uplink card LEDs, refer to the Cisco 10720 Internet Router Uplink Cards Installation and Configuration publication. For additional information about laser safety requirements, see the "Laser Safety" section on page 2-4. Access Card System LEDs Warning Avoid exposure to laser radiation. Do not stare into an open aperture, because invisible laser radiation may be emitted from the aperture when a cable is not inserted in the port. Statement 125 The access card system LEDs provide information on the functionality of the access card in the router. The system LEDs are located on the bottom right side of the access card. (See Figure 3-36.) 3-38 Cisco 10720 Internet Router Installation and Configuration Guide 78-13062-10