Cisco ASR 903 Troubleshooting

Troubleshooting
This chapter provides information for troubleshooting problems on the Cisco ASR 903 Router.
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BITS Port Pinout, page 1
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GPS Port Pinout, page 2
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Time of Day Port Pinout, page 3
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Alarm Port Pinout, page 4
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Console/Aux RJ45 RS232 Serial Port Pinout, page 5
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Serial Cable Pinouts, page 11
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E and M Interface Module Pinouts, page 13
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Management Ethernet Port Pinout, page 14
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USB Console Port Pinout, page 14
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USB Flash/MEM Port Pinout, page 15
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Fiber-Optic Specifications, page 16
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LED Summary, page 16
BITS Port Pinout
The table below summarizes the BITS port pinout of the Front Panel “Building Integrated Timing Supply”
RJ48 port.
Table 1: BITS Port Pinout
DescriptionDirectionSignal NamePin
Receive RingInputRX Ring1
Receive TipInputRX Tip2
Not used3
Cisco ASR 903 Aggregation Services Router Hardware Installation Guide
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Cisco ASR 903 Specifications

General

Form Factor	Modular
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% non-condensing
Redundancy	Yes, redundant power supplies and route processors
Operating System	Cisco IOS XE
Power Supply	AC or DC
Switching Capacity	240 Gbps
Operating Temperature	-40°C to 65°C (-40°F to 149°F)
MTBF	200, 000 hours
Supported Protocols	IPv4, IPv6, MPLS, L2VPN, L3VPN
Interfaces	Gigabit Ethernet, 10 Gigabit Ethernet, T1/E1