ZyXEL IES-1248-51V User Guide - Page 54
Front Panel LEDs
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Chapter 3 Front Panel Connections Table 3 IES-1248-51V Front Panel Ports (continued) CONNECTOR DESCRIPTION SFP 1, 2 Each of these Small Form-factor Pluggable (SFP) slots can house a mini GBIC (Gigabit Interface Converter) transceiver. TEST IN, TEST OUT Use these RJ-45 ports to connect external equipment for conducting metallic line tests on the IES-1248-51V's ADSL ports. Use the TEST IN port for testing internal POTS circuits, and the TEST OUT port for testing the external wire loop to the customer's phone. ADSL 1-24, 25-48 Connect these Telco-50 connectors to subscribers 1-24 and 25-48 respectively. 3.1.2 Front Panel LEDs The following table describes the LED indicators on the front panel of the IES1248-51V. Table 4 LED Descriptions LED COLOR PWR Green SYS Green STATUS On Off Blinking ALM Red 1000/100 1,2 Yellow On Off On Off On Blinking Off Green On Blinking Off SFP 1,2 LNK Green On Off SFP 1,2 ACT Green Blinking Off DESCRIPTION The power is turned on. The power is off. The system is rebooting and performing selfdiagnostic tests. The system is on and functioning properly. The system is not ready/malfunctioning. There is a hardware failure, or there is ALM input. The system is functioning normally. The link to a 100 Mbps Ethernet network is up. The link is transmitting/receiving 100 Mbps Ethernet traffic. The link to a 100 Mbps Ethernet network is down. The link to a 1000 Mbps (1Gbps) Ethernet network is up. The link is transmitting/receiving 1000 Mbps (1Gbps) Ethernet traffic. The link to a 1000 Mbps (1Gbps) Ethernet network is down. The link to a 1000 Mbps (1 Gbps) Ethernet network is up. There is not a link to a 1000 Mbps (1 Gbps) Ethernet network or the 1000 Mbps network link is down. The system is transmitting/receiving Ethernet traffic. The system is not transmitting/receiving Ethernet traffic. 54 IES-1248-51V User's Guide
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