Specifications
28 Technical Specifications
Technical Specifications
Technical Data
• IBM PC, PC AT, and PS/2 Model 30 bus compatible
Hardware Installation
• Interrupt levels selectable via software (2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15)
• I/O address selectable via on-board switch (14 options)
• 4Kb shared memory access with a software selectable starting address
(48 options in the ranges of C000 to EF00 and FC000 to FEF00)
External Interface
Performance
• 2 Mbps full duplex per physical HSI port (V.35, X.21, NRZ, NRZI)
• 128 kbps per ISDN BRI port (over the “D” channel or the “B” channels)
Power Requirements
• 3 A at +5 Volts
• 80 mA at +12 Volts
• 50 mA at -12 Volts
Environmental Requirements
• Operating temperature: 0°C to 50°C
• Operating humidity: 0 to 90% (non-condensing)
• Barometric operating pressure: 86 to 106 kPascals
• Maximum tolerance in power supply variation: +5% to -5%
HSI Ports
• HSI ports connect to 26-pin high-density male connectors
• Support for V.24,X.21bis, and V.35
• X.21 with V.11 (X.27) signaling
• NRZ, NRZI, and FM data encoding
• Internal or external clocking (DTE or DCE) or split (transmit internal,
receive external)
Eiconcard CPU/Memory # of HSI Ports #of ISDN BRI Ports
Eiconcard S50 20 MHz Motorola 68302 /
2 MB RAM
1N/A
Eiconcard S51 20 MHz Motorola 68302 /
2 MB RAM
11
Eiconcard S52 20 MHz Motorola 68302 /
2 MB RAM
2N/A
Eiconcard External Interface
Eiconcard S50 One 26-pin “D Type” female ports.
Eiconcard S51 One 26-pin “D Type” female port and one DIN-4 female connector.
Eiconcard S52 Two 26-pin “D Type” female port.