Secondary Cat Data Link
第二 Cat 数据链路为每一个电子控制模块（ECM）提供一个本机 Cat 数据链路和另一个共享 Cat 数据链路。 其它发动机控制装置可以通过一个公共的数据链路连接起来。 这允许用户通过单个 CCM/电话线与发动机室中的所有发动机通信。
第二 Cat 数据链路提供了可让多达 8 个发电机组发动机连接到同一共享 Cat 数据链路上的能力。 执行此连接旨在通过单个客户通信模块（CCM）和电话线与远程控制进行通信。 此远程控制用在开关柜上和远程监测与控制系统中。
Caterpillar Information System:
3500 Engines with EUI Option Cat Data Link
3512B Petroleum Engines Electronic Control Terms
3500B Locomotive Engines Electronic Control Terms
3406E Generator Set Engines Cylinder Head Grounding Stud - Inspect/Clean/Tighten
Alternator - Delco 21SI Component Description
3406E and 3456 Industrial Engines Fuel Tank Breather - Replace
3456 Engine, 836G Landfill Compactor, 834G Wheel Dozer and 988G Wheel Loader CID 0274 FMI 04 Atmospheric Pressure short to ground
3176C and 3196 Engines for Caterpillar Built Machines CID 0545 FMI 06 Ether Start Relay short to ground
3500B and 3500B High Displacement Generator Set Engines Fuel System Operation
3500B Engines Electronic Control System Operation
Alternator - Delco 21SI General Information
2000/01/01 Download Flash Files By Using The Caterpillar Service Information (SIS) Or SIS Web {1901, 7620}
3500B and 3500B High Displacement Generator Set Engines System Configuration Parameters
3500B and 3500B High Displacement Generator Set Engines 100 Hour Free Configuration on Engine Start-up
3512B Marine Auxiliary Engine Engine Monitoring System
3512B Marine Auxiliary Engine Histogramming
3500B and 3500B High Displacement Generator Set Engines Fuel Rate Scaling (Fuel Correction Factor) - Diesel Fuel
3512B Marine Auxiliary Engine ECM Hour Increment Adjustment
3512B Marine Auxiliary Engine ECM Total Fuel Consumption Adjustment
3500B Engines Fuel Injector Mechanism
3516B Generator Set Engines with Dynamic Gas Blending Aftercooler - Jacket Water Aftercooler
Electronic Modular Control Panel II+ (EMCP II+) Component Location - For EUI Engines Without Paralleling
3408E and 3412E Engines for Caterpillar Built Machines Engine Pressure Sensor - Calibrate
3500B and 3500B High Displacement Generator Set Engines Turbocharger