NATURAL MICROSYSTEMS CORPORATION AG-E1 Card Type E1 CSU/DSU Chip Set TI TMS320C51 I/O options MVIP bus, serial port Processor 80386SX Processor Speed 25MHz Maximum Transfer Rate 2.048Mbps Maximum Onboard Memory 4MB DRAM/256KB SRAM Data Bus 16-bit ISA Data Modulation Protocol HDB3, AMI [Image] CONNECTIONS Function Label Function Label 75ohm line in J2 DSP daughterboard JP7 75ohm line out J3 Mini-ISA daughterboard JP8 MVIP bus JP5 RS-232 port (see pinout JP20 below) JP20 PINOUT Pin Function 1 Ground 2 Transmit 3 Receive 4 Ground DRAM Size Bank 0 Bank 1 2MB (4) 1M x 4 NONE 4MB (4) 1M x 4 (4) 1M x 4 BASE I/O ADDRESS (FIRST DIGIT) Setting S1/1 S1/2 S1/3 0 xxx h On On On 2 xxx h Off On On 4 xxx h On Off On 6 xxx h Off Off On 8 xxx h On On Off A xxx h Off On Off C xxx h On Off Off E xxx h Off Off Off BASE I/O ADDRESS (LAST THREE DIGITS) Setting S1/4 S1/5 S1/6 x 100h On Off Off x 180h Off On Off x 1A0h Off Off On x 1C0h Off On On x 280h On On Off x 2A0h On Off On x 2C0h On On On x 340h Off Off Off [Image] DIAGNOSTIC LED(S) LED Color Status Condition D1 Red On MVIP processor request in progress D1 Red Off MVIP processor request not in progress D1 Green On MVIP processor grant in progress D1 Green Off MVIP processor grant not in progress D2 Red On Task processor 1 request in progress D2 Red Off Task processor 1 request not in progress D2 Green On Task processor 1 grant in progress D2 Green Off Task processor 1 grant not in progress DIAGNOSTIC LED(S) (CON’T) LED Color Status Condition D3 Red On Task processor 2 request in progress D3 Red Off Task processor 2 request not in progress D3 Green On Task processor 2 grant in progress D3 Green Off Task processor 2 grant not in progress D4 Red On Task processor 3 request in progress D4 Red Off Task processor 3 request not in progress D4 Green On Task processor 3 grant in progress D4 Green Off Task processor 3 grant not in progress D5 Red On Task processor 4 request in progress D5 Red Off Task processor 4 request not in progress D5 Green On Task processor 4 grant in progress D5 Green Off Task processor 4 grant not in progress D6 Red On Task processor 5 request in progress D6 Red Off Task processor 5 request not in progress D6 Green On Task processor 5 grant in progress D6 Green Off Task processor 5 grant not in progress D7 Red On Task processor 6 request in progress D7 Red Off Task processor 6 request not in progress D7 Green On Task processor 6 grant in progress D7 Green Off Task processor 6 grant not in progress D8 Red On Processor is reset D8 Red Off Processor is not reset D8 Green On SRAM is busy D8 Green Off SRAM is not busy D9 Red On Processor is transmitting data D9 Red Off Processor is receiving data D9 Green On Host is reading/writing to SRAM D9 Green Off Processor is reading/writing to SRAM D10 Red On DSP chips are reset D10 Red Off DSP chips are not reset D11 Yellow On Yellow alert status has occurred D11 Yellow Off Yellow alert status has not occurred D12 Red On Red alert status has occurred D12 Red Off Red alert status has not occurred D13 Green On Diagnostics are being performed D13 Green Off Diagnostics are not being performed D14 Green On T1 signal detected D14 Green Off T1 signal not detected