Black Box LE14XXA, Modular Switches manual Table Of Contents, Page

Black Box Modular Switches		Installation and User Guide (8/99)
TABLE OF CONTENTS			PAGE
1. SPECIFICATIONS			1
1.1	Technical Specifications		1
1.2	Model Information		4
2. INTRODUCTION			5
2.1	Inspecting the Package and Product		5
2.2	Product Description - Black Box Modular Switches		6
	2.2.1 Modular Switch chassis models		5
	2.2.2 4-port modules, 100Mb fiber		7
	2.2.3 4-port module, 10 Mb fiber		7
	2.2.4 4-port module, RJ-45 (copper)		8
	2.2.5 4-port modules, “3 + 1” , 3@RJ-45 and 1@fiber		8
	2.2.6 Frame Buffering and Latency		9
2.3	Features and Benefits		11
2.4	Applications		12
3. INSTALLATION			15
3.1	Locating the LE14XXA-Series Switches		15
3.2	Connecting Ethernet Media		16
	3.2.1 Connecting Fiber Optic ST-type “twist-lock”		16
	3.2.2 Connecting Fiber Optic SC-type “snap -in”		17
	3.2.3 Connecting Fiber Optic Single-Mode		17
	3.2.4 Connecting Twisted- Pair, RJ-45		17
3.3	Table-top or shelf mounting		18
	3.3.1 Wall (or Vertical) Mounting		18
	3.3.2 Rack-Mounting		18
3.4	Copper ports, Inernal jumper settings for 10/100Mbps		19
3.5	Fiber ports, Internal Jumper settings for 100Mbps		20
3.6	Combo ports, Internal Jumper settings for RJ-45 & fiber 10 or 100Mbps		21
3.7	Fiber ports, Internal Jumper settings for 10Mbps		22
3.8	Powering the LE14XXA-Series Switches		23
3.9	4-port Module (4PM) Installation		24
	3.9.1 Preparation for installing, changing and removing 4PMs		24
	3.9.2 Installing 4PM cards in the LE14XXA-Series chassis		26
	3.9.3 Removing 4PM cards in the LE14XXA-Series chassis		27
4. OPERATION			29
4.1	Switching Funtionality		29
4.2	Status LEDs		30
4.3	Manual switches for Up -link and Full/Half Duplex		30
4.4 Auto-negotiation option for copper Fast Ethernet ports			30
4.5 Auto-negotiation option for 10 Mbps ports HDX/FDX mode			32
4.6	Collision based flow control		32
4.7	Power budget Calculation for LE14XXA-Series 4PM’s Fiber media		33
5. 4-PORT MODULES (AS SEPARATE ITEMS IN A SHIPMENT)			34
5.1	Inspecting the Package and Product		34

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