Following is the Mark IV and DS3800 Parts we stock or source. If you are interested in a part that is not listed here, please call to see if we service and supply it.

| MARK IV, DS3800 & DS3820 CARDS AND POWER SUPPLIES | |
|---|---|
| PART NUMBER | DESCRIPTION |
| 04030904T02R10 | RELAY MODULE |
| 04030904T02R20 | RELAY MODULE |
| 04030904T02R30 | RELAY MODULE |
| 04030904T02R40 | RELAY MODULE |
| 04030976T02R10 | RELAY MODULE |
| 04030976T02R20 | RELAY MODULE |
| 04030976T02R30 | RELAY MODULE |
| 04030976T02R40 | RELAY MODULE |
| 531X301DCCAGG2 | MAIN DRIVE CONTROL |
| 531X306LCCBEG3 | LAN COMM CARD |
| DS3800DLCB | DB FOR NLCB |
| DS3800DLIB | MODULE CARD INVERTER |
| DS3800DMPG | E BUS I/F DAUG BD |
| DS3800DMPK | DAUGHTER BOARD |
| DS3800DSFC | CIRCUIT BOARD |
| DS3800HAFA | CARD AUXILIARY FUNCT |
| DS3800HAIA | ANALOG CONVERSION BD |
| DS3800HAIC | ANALOG INPUT CARD |
| DS3800HARA | EAROM CARD |
| DS3800HARA | EAROM CARD |
| DS3800HCMA | DUAL COMM CONTR |
| DS3800HCMC | DUAL COMM. |
| DS3800HCVA | CARD DIGITAL TO ANAL |
| DS3800HDDA | DISPLAY DRIVER |
| DS3800HIOD | DIGITAL I/O CARD |
| DS3800HISA | ISOLATED INPUT CD |
| DS3800HLCB | LCI CONT INT |
| DS3800HMHA | MH CONTROLLER |
| DS3800HMPA | MICROPROCESSOR |
| DS3800HMPF | MICROPROCESSOR |
| DS3800HMPG | CPU CARD |
| DS3800HMPJ | MICROPROCESSOR CARD |
| DS3800HMPK | CPU (MICROPROCESSOR) |
| DS3800HNMB | NULL MODEM CARD |
| DS3800HPIB | PANEL INTERFACE CARD |
| DS3800HPID | MARK IV INT PNL |
| DS3800HPRA | PULSE RATE BD |
| DS3800HPRB | PULSE RATE CARD |
| DS3800HPRB | PULSE RATE CARD |
| DS3800HPTJ | GATE DRIVER CARD |
| DS3800HPTK | GATE DRIVER CARD |
| DS3800HRDA | BUFFER DECODER CARD |
| DS3800HRDB | RELAY DRIVER CARD |
| DS3800HRIA | HIGH LEVEL INPT CD |
| DS3800HRMB | BATTERY ROM |
| DS3800HROA | RELAY OUTPUT BOARD |
| DS3800HSAA | SERVO CARD |
| DS3800HSAC | SERVO VALUE CD |
| DS3800HSCG | CIRCUIT BOARD |
| DS3800HUMA | UNIV MEMORY CD |
| DS3800HVDB | VIDEO DRIVER CD |
| DS3800HXPA | MEMORY EXPANDED CARD |
| DS3800HXPD | CPU EXPANDER CARD |
| DS3800NADC | CPU EXPANDER CARD |
| DS3800NAIA | MULTI CUR LOOP INPUT |
| DS3800NAPC | ANALOG LT 3 |
| DS3800NASB | SYNCR. ISOL |
| DS3800NCSA | CURRENT SENSOR |
| DS3800NDAC | ANALOG OUTPUT |
| DS3800NEPF | EXCITATION POWER |
| DS3800NGDC | GND DETECTOR OSC |
| DS3800NLCB | LCI ANALOG BOARD |
| DS3800NLIB | LOAD INVERTER |
| DS3800NOTA | OVERTEMP TRIP CARD |
| DS3800NPCM | EX2000 Analog Exciter CARD |
| DS3800NPDA | PASSIVE DAMPER |
| DS3800NPSM | POWER SUPPLY CARD |
| DS3800NPSU | LODTRAK 3 CA |
| DS3800NSFC | SYSTEM FIRING |
| DS3800NSFE | SYNCH FIELD EXC |
| DS3800NTCF | THERMOCOUPLE CARD |
| DS3800NTDA | DISPLAY/GATING |
| DS3800NTRD | CARD |
| DS3800NVCB | TEST SPEC & VIRB BD |
| DS3800NVCB | TEST SPEC & VIRB BD |
| DS3800NVCD | VIB. CONDITION CARD |
| DS3800NVRC | SVR CONTROLLER CARD |
| DS3800XAIA | ANALOG I/O CARD |
| DS3800XAIB | ANALOG I/O CARD |
| DS3800XAIC | ANALOG I/O CARD |
| DS3800XCIA | CARD |
| DS3800XDIA | DISPLAY INTERFACE |
| DS3800XEXA | EXTENDER CARD |
| DS3800XJBA | I.T.S OVERTEMP PROT |
| DS3800XPEX | RELAY DRIVER |
| DS3800XPTL | ATTENUATOR BOARD |
| DS3800XTFH | PULSE DISTRIB BOARD |
| DS3800XTFS | CIRCUIT BOARD ASSEMBLY |
| DS3800XTIA | CIRCUIT BOARD ASSEMBLY |
| DS3800XVIA | CARD BACK PLANE |
| DS3815PLNF | MODULE |
| DS3815PTCA | TERM CONTROLLER |
| DS3820AIPA | ANALOG I/O M |
| DS3820ATMA | GAS T ANOL TEST |
| DS3820CDAA | ITS DISPLAY MODULE |
| DS3820DMCB | CONTACT INPUT MODULE |
| DS3820DMVB | CONTACT INPUT MODULE |
| DS3820EPSA | EXT POWER SUPPLY |
| DS3820LIMA | CALL_SLM:MODULE /2 CD |
| DS3820MSAB | MICROSYNCH MODULE |
| DS3820NGDB1B | FIELD GRND DET |
| DS3820NOTA | OVERTEMP TRIP CARD |
| DS3820PIMB | PANEL INTERFACE MODULE |
| DS3820PIMB | OBS:PNL INTERFACE MODULE |
| DS3820PS3A | I.T.S. POWER SUPPLY |
| DS3820PSCB | +5,+/-15V POWER SUPPLY |
| DS3820PSCC | PS 80-140VDC IN/P28V |
| DS3820PSCD | POWER SUPPLY MOD.-OBSOLETE |
| DS3820RDMB | RELAY DRIVER MODULE |
| DS3820SFEB | AC-INPUT MODULE |
| DS3820SMTS | SEM (SMALL ELEC MODULE) |
| DS3820SMTV | SEM (SMALL ELEC MODULE) |
| DS3820SMTW | SEM (SMALL ELEC MODULE) |
| DS3820SVMA | SELF VERIFICATION MODULE |
| DS3820TIMC | ISOLATION MOD |
* Speedtronic and Directomatic are trademarks of the General Electric Company.