PATTON ELECTRONICS COMPANY ========================== 1008 Card Type Modem Chip Set Unidentified I/O Options Serial port (1 RS-232 or RS-485) Maximum Transfer Rate 115.2Kbps Topology Star, Daisy-Chain Data Bus External +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Function | Label | |------------------------------------------------------------| | Serial port | CN1 | |------------------------------------------------------------| | Note: CN2 is available as a terminal block, RJ-11, RJ-45 | | or a dual modular connector interface. | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |-----------------------------------------+-------+----------| | i Set receive impedance low (120 Ohm) | SW1/1 | On | |-----------------------------------------+-------+----------| | Set receive impedance high (16,000 Ohm) | SW1/1 | Off | |-----------------------------------------+-------+----------| | i Echo mode disabled | SW1/4 | Off | |-----------------------------------------+-------+----------| | Echo mode enabled | SW1/4 | On | |-----------------------------------------+-------+----------| | i Carrier signal constantly enabled | SW2/1 | Off | |-----------------------------------------+-------+----------| | Carrier signal controlled by RTS | SW2/1 | On | |-----------------------------------------+-------+----------| | i RTS/CTS delay enabled (8 msec) | SW2/2 | On | |-----------------------------------------+-------+----------| | RTS/CTS delay disabled | SW2/2 | Off | +------------------------------------------------------------+ +------------------------------------------------------------+ | 2-WIRE/4-WIRE MODES | |------------------------------------------------------------| | Function | SW1/2 | SW1/3 | |--------------------+-------------------+-------------------| | i 4-wire mode | Off | Off | |--------------------+-------------------+-------------------| | 2-wire mode | On | On | +------------------------------------------------------------+ +------------------------------------------------------------+ | TRANSMIT-OFF IMPEDANCE | |------------------------------------------------------------| | Function | SW2/3 | SW2/4 | |--------------------+-------------------+-------------------| | i High | Off | Off | |--------------------+-------------------+-------------------| | Intermediate | On | On | +------------------------------------------------------------+