Cabletron Systems 9C300-1 manual EPIM-A and EPIM-X AUI Port, Pin Number Represents

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EPIM-A and EPIM-X (AUI Port)

EPIM-A and EPIM-X (AUI Port)

The EPIM-A is a DB-15 female connector used to attach segments to an external transceiver. The EPIM-X is equipped with dual internal transceivers. It has a DB-15 male connector used to attach segments to an AUI cable. Figure A-6shows both modules.

Figure A-6. The EPIM-A and EPIM-X

Table A-4 lists the DB-15 pinouts.

Table A-4. DB-15 Pinouts

Pin Number	Represents	Pin Number	Represents


1	Logic Ref.	10	Transmit -

2	Collision +	11	Logic Ref.

3	Transmit	12	Receive -

4	Logic Ref.	13	Power (+12Vdc)

5	Receive	14	Logic Ref.

6	Power Return	15	No Connection

7	No Connection	*Connector Shell	Positive Ground
9	Collision -

*Connector Shell:	Protective Ground

A-7

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Contents MMAC-Plus 9C300-1 Environmental Module User’s Guide Page Page DOC Notice FCC NoticeContents Appendix B Uninterruptible Power Supply UPS Chapter SpeciﬁcationsAppendix a Epim Speciﬁcations 9C300-1 Environmental Module Using This ManualFeatures System CoolingOut-of-Band Management Related Manuals Environmental/Power MonitoringFlash Eeprom Hot SwappingGetting Help Installing the 9C300-1 Environmental Module Installing the 9C300-1 Environmental ModuleInstalling the 9C300-1 Environmental Module Monitoring Functions 9C300-1 Environmental Module OperationTemperature Range LCD Display External Ambient Temperature9C300-1 Environmental Module and Fan Tray Fan SpeedSystem Humidity Internal Operating TemperatureSystem Voltages Humidity LCD DisplayLED Color State Description Lanview LEDsOut-of-Band Management Pin Description COM1 and COM2 PortsLCD and Keypad Ethernet Port Interface Module EpimNon-Interactive Mode Non-Interactive Mode ScreensSystem Screen Environment Screen Utilization ScreenSystem Banner Screen Power ScreenInteractive Mode Screens Interactive ModeMain Screen Alarm ScreenENV Power Supply Speciﬁc Screen Supplies Installed 2 PWR Redundancy Status 1 on 2 on ExitCommunications Screen Diagnostic Results Screen Diagnostic Module Selection ScreenModule Selection Screen BBU ScreenModule Speciﬁc Screen FaultModule Memory Screen Module Environment ScreenEnvironmental Module Speciﬁc Screen Module Backplane ScreenEnvironmental Module Environment Screen LCD Contrast Adjustment Screen 9C300-1 Environmental Module Operation Service SafetyWeight DimensionsPhysical EnvironmentalIntroduction Epim SpeciﬁcationsParameter Typical Value Worst Worst Case Budget EPIM-F1 and EPIM-F2EPIM-F1 and EPIM-F2 EPIM-F3 Parameter Typical Minimum Maximum Grounding Connector TypePin Number Represents EPIM-A and EPIM-X AUI PortEpim Speciﬁcations Connecting a UPS to an EM Uninterruptible Power Supply UPSConﬁguring COM Port for UPS Uninterruptible Power Supply UPSMonitoring UPS Verifying ConﬁgurationUninterruptible Power Supply UPS