GarrettCom ES42 manual Operation, Troubleshooting, www . GarrettCom . com

ES42 Series Edge Switches Installation and User Guide (05/05)

3.7ES42H and P Series, 12VDC, 24VDC and -48VDC Installation ...... 47

3.8	Connecting Ethernet Media		48
3.8.1		Connecting Twisted Pair	50
3.8.2		Connecting Fiber Optic ST-type,“twist-lock”	51
3.8.3		Connecting Fiber Optic SC-type,"Snap-In"	52
3.8.4		Connecting Single-Mode Fiber Optic	52
3.8.5		Power Budget Calculations for ES42 Series, Fiber Media	53

3.8.6Connections to NICs which support Auto-NegRJ-45 ports...... 55

4.0	OPERATION	56
4.1	Dual-Speed Functionality, and Switching	56
4.2	Auto-cross (MDIX), Auto-negotiation and Speed-sensing	58

4.3Dual LEDs, Front-panel and side-panel (Magnum ES42 Series) .... 59

4.4	Hardware operated Alarm Contact for monitoring power	60
5.0	TROUBLESHOOTING	61
5.1	Before Calling for Assistance	62
5.2	When Calling for Assistance	64
5.3	Return Material Authorization (RMA) Procedure	65
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