iv
AccelePort C/CON-8, C/CON-16 and C/CON-16 Rack Concentrators
Configuration................................................................................................21
Node Numbers ......................................................................................21
Setting the Node Number......................................................................21
Adding Concentrators to an Existing System...............................................23
Connecting Peripherals........................................................................................24
Connecting to a Modem ...............................................................................24
DB-25 Equipped Concentrators ............................................................24
RJ-45 Equipped Concentrators .............................................................25
ALTPIN Modem Wiring (RJ-45 Versions) ...................................26
Connecting to a DTE Device........................................................................27
DB-25 Equipped Concentrators ............................................................27
Software Handshaking (XON/XOFF) ...........................................27
Hardware Handshaking (Ready/Busy) ..........................................29
RJ-45 Equipped Concentrators .............................................................30
Software Handshaking (XON/XOFF) ...........................................30
Hardware Handshaking (Ready/Busy) ..........................................31
Operation .............................................................................................................32
Display Modes..............................................................................................33
EIA-232 Cables and Connector Options .............................................................35
Cables ...........................................................................................................35
Grounding .............................................................................................35
Environment ..........................................................................................35
Capacitance vs. Length of Run .............................................................36
Connector Options........................................................................................37
DB-25 Connectors.................................................................................37
RJ-45 Connectors ..................................................................................39
RJ-45 to DB-25 Conversion..................................................................41
Diagnostics ..........................................................................................................43
Running Diagnostics from the Front Panel ..................................................43
Writing a New Node Number to EEPROM ..........................................44
Running Diagnostics from a Serial Terminal...............................................45
Diagnostic Test Descriptions........................................................................47
Test 1: Front Panel Test .......................................................................47
Test 2: Memory Test ............................................................................47
Test 3: Memory/DMA Test..................................................................47
Test 4: Async Internal Test ..................................................................48
Test 5: Async External Test .................................................................48
Test 6: Sync EIA-422/DMA Test ........................................................50
Test 7: Sync EIA-232/DMA Test ........................................................51
Test 8: EEPROM Test..........................................................................51
Test 9: Watchdog Timer Test...............................................................51