User's Guide
SB300 Series Modems User’s Guide
2110059 Rev 1.0 Proprietary and Confidential Page ix
9.4. SB302 Specifications........................................................................................79
9.4.1. Mechanical.......................................................................................79
9.4.2. Connectors .......................................................................................79
9.4.3. Power Specifications.........................................................................80
9.4.4. Electrical..........................................................................................80
9.5. SB320 Specifications........................................................................................83
9.5.1. Mechanical.......................................................................................83
9.5.2. Connectors .......................................................................................84
9.5.3. Power Specifications.........................................................................84
9.5.4. Electrical..........................................................................................84
9.5.5. SB320 Communication Mode Specifications.....................................88
10. Multipurpose Interface Board.....................................................89
Introduction............................................................................................................89
10.1.1. Features............................................................................................89
10.2. Board Description .....................................................................................90
10.2.1. Schematic.........................................................................................90
10.2.2. Parts Layout......................................................................................90
10.3. Power Supply ............................................................................................91
10.3.1. Voltage Adjustment..........................................................................91
10.3.2. Using Power from Host (DTE)..........................................................91
10.4. Connections...............................................................................................91
10.4.1. PC Host (DTE) RS-232 Serial Connection ........................................91
10.4.2. Host (DTE) Connection for SB302....................................................92
10.4.3. Protocol Analyzer Connection...........................................................92
10.4.4. SB300 / SB320 Modem Connection..................................................92
10.4.5. SB302 Modem Connection ...............................................................93
10.4.6. SB220 Modem Conneciton ...............................................................93
10.5. Jumpers.....................................................................................................94
10.5.1. Main Jumper Block...........................................................................94
10.5.2. Power Select.....................................................................................95
10.5.3. SPK EN – Speaker Enable ................................................................95
10.6. Serial Breakout Box ..................................................................................95
10.6.1. DIP Switch.......................................................................................95
10.6.2. Serial Connection Indicators .............................................................95