ADTRAN Express 3010 Manual 

Contents

ADTRAN Express 3010 Manual  Manual pdf 44 page image

Chapter 3. Application Configuration3-8 Express 3010/3110 User Manual 61200239L1-20OPTIONS FOR BOTH LEASED ANDSWITCHED ISDN SERVICEThis section describes the options that apply to both leased digital ser-vice and dial operation. To access these options, first go to the Config-uraton menu.DTE OptionsPress the number corresponding to DTE Options and press Enter todisplay the DTE options: Asynchronous and Synchronous. Select thedesired option.Bit RatePress the number corresponding to Bit Rate and press Enter to displaythe Bit Rate options.The Bit Rate can be set synchronously for 2400, 4800, 9600, 19200,38400, 48000, 56000, 64000, 112000, and 128000 bps. The Express willautobaud to the asynchronous DTE rate.Transmit Clock for Synchronous DataPress the number corresponding to Transmit Clock and press Enter todisplay the Transmit Clock options: Normal and External. Select the de-sired option.Selecting the Normal option causes the Express to be the synchronousDTE interface transmit timing source. Transmit data is timed from thetransmit clock provided by the Express on the DTE connector. Normalclock is the normal mode of operation for the Express.With the External option selected, the Express slaves to an external trans-mit timing source. The external clock is provided to the Express by theexternal transmit clock signal at the DTE. This signal is echoed by the Ex-press to the transmit clock signal on the DTE port.