Diamond Systems C-PGS-KIT, PGS800256, PGS8002562G manual - page 5

Pegasus Fast Start Guide 7460572 Rev A Page 5 of 12
SERIALPORTCONNECTOR(COM1)
Thisconnectorprovidesaccesstothe2serialportsfromtheCPUchip.Port1isRS‐232onlyandPort2
maybejumper‐configuredforRS‐232,RS‐422orRS‐485protocols.InRS‐422/485mode,theportmay
haveajumper‐selectable120‐ohmterminationresistoracrosstheRXpinsandjumper‐selectablepull‐
up/pull‐downresistorsontheTX/RXlines.TheRXresistorsareconfiguredsothattheportreadsbacka
0whenitisopencircuit.

RS‐232Configuration RS‐422Configuration RS‐485configuration
Port1DCD112DSR1
RXD134RTS1
TXD156CTS1
DTR178RI1
Ground910Ground
Port2DCD21112DSR2NC1112NC NC1112NC
RXD21314RTS2TX+1314TX‐  RTX+1314RTX‐
TXD21516CTS2RX+1516RX‐  NC1516NC
DTR21718RI2NC1718NC NC1718NC
Ground1920GroundGround1920Ground Ground1920Ground



USBCONNECTORS(USB1andUSB2)
TheseconnectorsprovideaccesstothefourUSB2.0ports.Theshieldpinistiedtosystemground.The
keypositionsaremissingtomatchthekeypositioninthecabletopreventmisconnection.Both
connectorshavethesamepinout.

Ground12+5V
Channel0Data+34Channel0Data‐
Key56Ground
Ground78+5V
Channel1Data+910Channel1Data‐



Ground12+5V
Channel2Data+34Channel2Data‐
Key56Ground
Ground78+5V
Channel3Data+910Channel3Data‐
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