ADTRAN Express L128FP User Manual

ADTRAN Express L128FP User Manual Manual pdf 29 page image

Chapter 1. Understanding IDSL and the Express L128FP61202070L4-20 Express L128FP User Manual 1-7Front PanelFigure 1-5 shows the front panel of the Express L128FP. The indicatorsare divided into LAN functions, WAN functions, and Test functions.Figure 1-5. Express L128FP Front PanelIndicatorsRear PanelThe Express L128FP has one RJ-45 jack, labeled ISDN, on the rear pan-el for network connection (Figure 1-6 on page 1-8).The OFF/ON switch block is for factory default and firmware down-loading. With switch 1 in the up or OFF position, the Express L128FPwill immediately go into a download mode when power is enabled.Switch 1 must be in the down or ON position in order to boot up nor-TX/RX Flashes when transmitting and receivingdata on the 10BaseT connector.LI Link integrity. Illuminates when there is agood connection between the ExpressL128FP and the Hub/NIC card.PWR Flashes when the IDSL link (pins 4 and 5on RJ-45) is not in sync. Solid when insync.TEST 1, 2 Illuminates solid when either PPP or FrameRelay has an active connection. Flasheswhen trying to establish a PPP or FrameRelay connection.LIEXPRESS L128TX/RXB1B2PWRLINETEST