T1/E1 Interface LEDs, Color/State Description | Cisco Systems 901

Appendix A Troubleshooting

Reading the LEDs

T1/E1 Interface LEDs

Table A-5summarizes the LEDs on the T1/E1 interface (available only for A901-12C-FT-D and A901-4C-FT-D).

	Table A-5	T1/E1 Port LEDs

	LED	Color/State	Description (two LEDs for each T1/E1 port)

	Active	Green	Carrier condition—operating without problem
	(labeled C,
	(labeled C,	Yellow	Loop condition
	left LED)	Yellow	Loop condition

		Off	Out of service or not configured
		Off	Out of service or not configured

	Alarm	Yellow	Alarm condition
	(labeled AL,
	(labeled AL,	Off	No alarm
	right LED)

SFP Ethernet Interface LEDs

Table A-6gives information about the LEDs on the SFP interface.

Table A-6	SFP LEDs

LED			Color/State	Description

SFP Link/Active			Orange	Link and active indicator
(labeled LINK ACT)
(labeled LINK ACT)			Off	Link not enabled
			Off	Link not enabled

RJ-45 Ethernet Interface LEDs

Table A-7summarizes the LEDs on the RJ-45 Ethernet interface.

	Table A-7	100/1000 Ethernet Port LEDs

	LED	Color/State	Description (two LEDs for each 100/1000 Ethernet port)

	100/1000	Solid Green	Link with no activity
	RJ-45 link
	RJ-45 link	Flash Green	Link with activity
	(labeled L,	Flash Green	Link with activity

		Off	No link detected
	left LED)	Off	No link detected
	left LED)

	100/1000	Green	Speed 1000
	RJ-45 speed
	RJ-45 speed	Yellow	Speed 100
	(labeled S,
	(labeled S,	Off	Off
	right LED)	Off	Off
	right LED)

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

	OL-23778-01	A-5

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Cisco Systems ASR 9014CFD, A9014CFD T1/E1 Interface LEDs, SFP Ethernet Interface LEDs, RJ-45 Ethernet Interface LEDs

Contents

Text Part Number OL-23778-01 Americas HeadquartersPage N T E N T S Required Tools and Equipment Troubleshooting A-1 OL-23778-01 Revision Date Change Summary Document Revision History Audience ObjectivesOrganization Conventions Related Documentation Safety Warnings About This Guide Hardware Description Introduction Cisco ASR 901 Router Front View Cisco ASR 901 Router-Front View Cisco ASR 901 Router Ethernet Version Front View Fan Grounding Point Lug Cisco ASR 901 Router Rear View Safety Precautions Power SupplySpecification Value LEDs Pin Connector B Pin Connector a System Specifications Environmental Monitoring Temperature SensorDescription Specification Router Interface Numbering Interface Number Location Label Regulatory Compliance Safety with Equipment Safety Guidelines Safety with Electricity Preventing Electrostatic Discharge Damage Prerequisites Power Supply ConsiderationsSite Planning Site Environment Air Flow Guidelines Method of Procedure Required Tools and Equipment Unpacking and Checking the Contents of your Shipment Task Verified by Date Installation Checklist Creating a Site Log Console Port ConsiderationsConsole Port Connections Task Verified by Preparing to Install the Router Console Port Considerations OL-23778-01 Network Modules Installing the Cisco ASR 901 Mobile Wireless Router Mounting the Cisco ASR 901 Router Rack-Mounting Configuration Guidelines Mounting the Cisco ASR 901 Router in a Rack Attaching the Rack-Mounting Brackets Attaching the Cable Guides Grounding the Cisco ASR 901 Router Connecting the Chassis Ground and Power Grounding Point Stripping a Ground Wire Power Connection Compliance 6-Pin Terminal Block Wiring the DC-Input Power Source Installing SFP Modules Installing and Removing SFP Modules Removing SFP Modules Installing an SFP Module into an SFP Module Slot Connecting the Console Port Connecting Cables Console Port Types of RJ-45 Cables Connecting T1 and E1 Interface Cables Connecting the Network CablesConnecting Gigabit Ethernet Interface Cables Connecting GPS Cables Connecting SFP CablesConnecting Cables to the Bits Interface Connecting to Alarm Port Powering On the RouterConnecting to the Management Ethernet Port Dressing Router Cables Power-On Procedure Checklist for Power UpFormatting Procedures for Flash Memory Interpreting Front-Panel LEDs Copying Files File and Directory ProceduresDisplaying Contents of the Flash Memory Deleting Files from the Flash Memory Displaying File Content Enter a Directory and Determine the Current Directory What to Do After Installing the Hardware OL-23778-01 Problem Solving Troubleshooting Symptom Possible Cause Corrective Action Troubleshooting the Power and Cooling SystemsEnvironmental Reporting Features Information Packet publication Troubleshooting Cables, and Connections Chassis LEDs Reading the LEDsCopper GE from Quad combo PHY ports contain Two Leds each System LED SFP Ethernet Interface LEDs T1/E1 Interface LEDsRJ-45 Ethernet Interface LEDs Color/State Description two LEDs for each T1/E1 port OL-23778-01 Gigabit Ethernet Connector Pinouts Cable Specifications T1/E1 Port Pinouts SFP Port Pinouts and Cable SpecificationsPin FE Signal GE Signal Pin Signal Name Direction Description Console Port Signals and PinoutsConsole Port Signals and Pinouts RJ-45-to-DB-9 Terminal Adapter Console Pin Signal Name HP Pins Direction Description Console RJ-45-to-DB-25 Port DTE Terminal Adapter Device Signal RJ-45 Pin DB-25 PinIdentifying a Rollover Cable GPS Port Pinouts Bits Port PinoutsTime of Day Pinouts Pin Signal Name Description Alarm Port PinoutsManagement Ethernet Port Pinouts 10 Mhz RxDP RxDN TxDP Not connected TxDN Site Log Initials Date Numerics IN-2 IN-3 IN-4