Chapter 5. Peripheral Equipment Section 300-Installation5-6 DBS Manual - Revised April 2000 DBS-2.3/9.2-300Remote Administration Interface (RAI)Guidelines• The RAI is a modem card that installs on the SCC card. The card is used toremotely administer the system through a trunk line.• Two versions of the RAI card are available. Both versions use 1 Stop bit, 8data bits, and no parity. The RAI-A card has a fixed baud rate of 300. TheRAI-B card supports both 300 and 1200 baud operation. The followingtable shows the transmission rate of each card along with the SCC versioncompatibility.Table 5-2. RAI compatibilityInstallation• Remove the upper cover of the SCC card.Jumper 1 (J1) on the RAI-B controls the transmission rate. When closed,the transmission rate is switchable from 300 bps to 1200 bps throughsystem programming. When open, the rate is fixed at 300 bps.• Connect the RAI card to the connector on the SCC card.The RAI-A connects to CN3. RAI-B connects to CN2 and CN3.• Replace the upper cover of the SCC.Note: To adjust the output level of the RAI, set switch 4 as shown inFigure 5-3.RAI Version/Part No. TransmissionParametersSCC CompatibilityRAI-A (VB-43706) 300 bps, 1 stop bit,8 data bits, noparitySCC-A or SCC-BRAI-B (VB-43707) 300 bps/1200 bps,1 stop bit, 8 databits, no paritySCC-B only
