Cisco ASR 903 Operating instructions

Troubleshooting
This chapter provides information for troubleshooting problems on the Cisco ASR 903 Router.
•BITS Port Pinout, page 1
•GPS Port Pinout, page 2
•Time of Day Port Pinout, page 3
•Alarm Port Pinout, page 4
•Console/Aux RJ45 RS232 Serial Port Pinout, page 5
•Serial Cable Pinouts, page 11
•E and M Interface Module Pinouts, page 13
•Management Ethernet Port Pinout, page 14
•USB Console Port Pinout, page 14
•USB Flash/MEM Port Pinout, page 15
•Fiber-Optic Specifications, page 16
•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
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DescriptionDirectionSignal NamePin
TX RingOutputTX Ring4
TX TipOutputTX Tip5
Not used6
Not used7
Not used8
GPS Port Pinout
The platform is capable of receiving or sourcing GPS signals of 1 PPS & 10 MHz. These interfaces are
provided by two mini-coax 50-Ohm, 1.0/2.3 DIN series connector on the front panel. Similarly there are two
mini-coax 50-Ohm connectors provided in the front panel to output this 1PPS and 10MHz.
The table below summarizes the GPS port pinouts.
Table 2: GPS Port Pinout
1PPS (input and output)10 Mhz (input and output)
Input—Rectangular pulse
Output—Rectangular pulse
Input—Sine wave
Output—Square wave
Waveform
Input—> 2.4 volts TTL
compatible
Output—> 2.4 volts TTL
compatible
Input—> 1.7 volt p-p(+8 to +10
dBm)
Output—> 2.4 volts TTL
compatible
Amplitude
50 ohms50 ohmsImpedance
26 microseconds50% duty cyclePulse Width
40 nanoseconds
Input—AC coupled
Output—5 nanoseconds
Rise Time
Table 3: GPS Port Pinout for ASR 900 RSP3
1PPS (input and output)10 Mhz (input and output)
Input—Rectangular pulse
Output—Rectangular pulse
Input—Sine wave
Output—Sine and Square wave
Waveform
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GPS Port Pinout

1PPS (input and output)10 Mhz (input and output)
Input—> 2.4 volts TTL
compatible
Output—> 2.4 volts TTL
compatible
Input—> 1.7 volt p-p(+8 to +10
dBm)
Output—> 2.4 volts TTL
compatible
Amplitude
50 ohms50 ohmsImpedance
26 microseconds50% duty cyclePulse Width
40 nanoseconds
Input—AC coupled
Output—5 nanoseconds
Rise Time
Time of Day Port Pinout
The table below summarizes the ToD port pinout for ASR900-RSP1-55.
Table 4: RJ45 ToD Port Pinout
DescriptionDirectionSignal NamePin
1PPS RS422 signalOutput or Input1PPS_P1
1PPS RS422 signalOutput or Input1PPS_N2
Do NOT connectOutputRESERVED3
GND4
Time of Day characterGND5
Do NOT connectInputRESERVED6
Time of Day characterOutput or InputTOD_P7
Time of Day characterOutput or InputTOD_N8
The table below summarizes the TOD pinout for A900-RSP2A and A900-RSP3-3C-400 modules.
This port requires the use of SHIELDED cable for GR-1089-core “Intra-Bldg lightning surge”protection.
RS422 interface is per industry standard EIA-422 /RS422 specification.
Note
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Time of Day Port Pinout

Table 5: RJ48 IPPS/ToD Port Pinout
DescriptionDirectionSignal NamePin
V.11 Cable CorporationOutput or InputRESERVED1
Output or InputRESERVED2
1PPS RS422 signalOutput1PPS_N3
GND4
5
1PPS RS422 signalInput1PPS_P6
Time of Day R422 output
or input signal
Output or InputTOD_N7
Time of Day R422 output
or input signal
Output or InputTOD_P8
Alarm Port Pinout
The table below summarizes the external alarm input pinout.
Table 6: External Alarm Input Pinout
DescriptionSignal NamePin
Alarm input 0ALARM0_IN1
Alarm input 1ALARM1_IN2
No connect3
Alarm input 2ALARM2_IN4
Alarm input 3ALARM3_IN5
No connect6
No connect7
Alarm commonCOMMON8
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Alarm Port Pinout

Console/Aux RJ45 RS232 Serial Port Pinout
The table below summarizes the console/aux RJ45 RS232 serial port pinout.
Table 7: Console/Aux RJ45 RS232 serial port
DescriptionDirectionSignal NamePin
Request to sendOutputRTS1
Data Terminal Ready
(always On).
OutputDTR2
Transmit dataOutputTXD3
Ring IndicatorRI4
GND5
Receive dataInputRXD6
Data set ready/Data
Carrier detect
InputDSR/DCD7
Clear to sendInputCTS8
16 T1/E1 Interface Module Pinout
The table below summarizes the pinouts of the cable (Tyco part number 2163442-1, Cisco part number
72-5184-01) used to connect the T1/E1 interface module to the rear of the patch panel.
Table 8: 16 T1/E1 Interface Pinouts
Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
Line
439RX_RING_P192139TX_RING_P188Line 0
514RX_TIP_P142214TX_TIP_P138
438RX_RING_P291138TX_RING_P287Line 1
513RX_TIP_P241213TX_TIP_P237
435RX_RING_P380135TX_RING_P376Line 2
510RX_TIP_P330210TX_TIP_P326
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Console/Aux RJ45 RS232 Serial Port Pinout

Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
Line
434RX_RING_P479134TX_RING_P475Line 3
59RX_TIP_P42929TX_TIP_P425
441RX_RING_P594141TX_RING_P5100Line 4
516RX_TIP_P544216TX_TIP_P550
440RX_RING_P693140TX_RING_P699Line 5
515RX_TIP_P643215TX_TIP_P649
437RX_RING_P782137TX_RING_P786Line 6
512RX_TIP_P732212TX_TIP_P736
436RX_RING_P881136TX_RING_P885Line 7
511RX_TIP_P831211TX_TIP_P835
431RX_RING_P968131TX_RING_P964Line 8
56RX_TIP_P91826TX_TIP_P914
430RX_RING_P1067130TX_RING_P1063Line 9
55RX_TIP_P101725TX_TIP_P1013
427RX_RING_P1156127TX_RING_P1152Line 10
52RX_TIP_P11622TX_TIP_P112
426RX_RING_P1255126TX_RING_P1251Line 11
51RX_TIP_P12521TX_TIP_P121
433RX_RING_P1370133TX_RING_P1374Line 12
58RX_TIP_P132028TX_TIP_P1324
432RX_RING_P1469132TX_RING_P1473Line 13
57RX_TIP_P141927TX_TIP_P1423
429RX_RING_P1558129TX_RING_P1562Line 14
54RX_TIP_P15824TX_TIP_P1512
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16 T1/E1 Interface Module Pinout

Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
Line
428RX_RING_P1657128TX_RING_P1661Line 15
53RX_TIP_P16723TX_TIP_P1611
The figure below shows the wiring schematic of the cable used to connect the T1/E1 interface module to the
rear of the patch panel.
Figure 1: Wiring Schematic of Cable between 16 T1/E1 Interface and Patch Panel
32 T1/E1 Interface Module Pinout
The table below summarizes the pinouts of the cable used to connect the 32 T1/E1 interface module to the
rear of the patch panel.
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32 T1/E1 Interface Module Pinout

Table 9: 32 T1/E1 Pinout
Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
LineBoard
Connector
439RX_RING_P066139TX_RING_P048Line 0PORTS
0-15
514RX_TIP_P032214TX_TIP_P014
438RX_RING_P165138TX_RING_P147Line 1
513RX_TIP_P131213TX_TIP_P113PORTS
0-15
435RX_RING_P262135TX_RING_P244Line 2PORTS
0-15
510RX_TIP_P228210TX_TIP_P210
434RX_RING_P361134TX_RING_P343Line 3PORTS
0-15
59RX_TIP_P32729TX_TIP_P39
441RX_RING_P468141TX_RING_P450Line 4PORTS
0-15
516RX_TIP_P434216TX_TIP_P416
440RX_RING_P567140TX_RING_P549Line 5PORTS
0-15
515RX_TIP_P533215TX_TIP_P515
437RX_RING_P664137TX_RING_P646Line 6PORTS
0-15
512RX_TIP_P630212TX_TIP_P612
436RX_RING_P763136TX_RING_P745Line 7PORTS
0-15
511RX_TIP_P729211TX_TIP_P711
431RX_RING_P858131TX_RING_P840Line 8PORTS
0-15
56RX_TIP_P82426TX_TIP_P86
430RX_RING_P957130TX_RING_P939Line 9PORTS
0-15
55RX_TIP_P92325TX_TIP_P95
427RX_RING_P1054127TX_RING_P1036Line 10PORTS
0-15
52RX_TIP_P102022TX_TIP_P102
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32 T1/E1 Interface Module Pinout

Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
LineBoard
Connector
426RX_RING_P1153126TX_RING_P1135Line 11PORTS
0-15
51RX_TIP_P111921TX_TIP_P111
433RX_RING_P1260133TX_RING_P1242Line 12PORTS
0-15
58RX_TIP_P122628TX_TIP_P128
432RX_RING_P1359132TX_RING_P1341Line 13PORTS
0-15
57RX_TIP_P132527TX_TIP_P137
429RX_RING_P1456129TX_RING_P1438Line 14PORTS
0-15
54RX_TIP_P142224TX_TIP_P144
428RX_RING_P1555128TX_RING_P1537Line 15PORTS
0-15
53RX_TIP_P152123TX_TIP_P153
439RX_RING_P1666139TX_RING_P1648Line 16PORTS
16-31
514RX_TIP_P1632214TX_TIP_P1614
438RX_RING_P1765138TX_RING_P1747Line 17
513RX_TIP_P1731213TX_TIP_P1713PORTS
16-31
435RX_RING_P1862135TX_RING_P1844Line 18PORTS
16-31
510RX_TIP_P1828210TX_TIP_P1810
434RX_RING_P1961134TX_RING_P1943Line 19PORTS
16-31
59RX_TIP_P192729TX_TIP_P199
441RX_RING_P2068141TX_RING_P2050Line 20PORTS
16-31
516RX_TIP_P2034216TX_TIP_P2016
440RX_RING_P2167140TX_RING_P2149Line 21PORTS
16-31
515RX_TIP_P2133215TX_TIP_P2115
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32 T1/E1 Interface Module Pinout

Jack PinTelco RXSignal
Name
Board
Pins
Jack PinTelco TXSignal
Name
Board
PIns
LineBoard
Connector
437RX_RING_P2264137TX_RING_P2246Line 22PORTS
16-31
512RX_TIP_P2230212TX_TIP_P2212
436RX_RING_P2363136TX_RING_P2345Line 23PORTS
16-31
511RX_TIP_P2329211TX_TIP_P2311
431RX_RING_P2458131TX_RING_P2440Line 24PORTS
16-31
56RX_TIP_P242426TX_TIP_P246
430RX_RING_P2557130TX_RING_P2539Line 25PORTS
16-31
55RX_TIP_P252325TX_TIP_P255
427RX_RING_P2654127TX_RING_P2636Line 26PORTS
16-31
52RX_TIP_P262022TX_TIP_P262
426RX_RING_P2753126TX_RING_P2735Line 27PORTS
16-31
51RX_TIP_P271921TX_TIP_P271
433RX_RING_P2860133TX_RING_P2842Line 28PORTS
16-31
58RX_TIP_P282628TX_TIP_P288
432RX_RING_P2959132TX_RING_P2941Line 29PORTS
16-31
57RX_TIP_P292527TX_TIP_P297
429RX_RING_P3056129TX_RING_P3038Line 30PORTS
16-31
54RX_TIP_P302224TX_TIP_P304
428RX_RING_P3155128TX_RING_P3137Line 31PORTS
16-31
53RX_TIP_P312123TX_TIP_P313
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32 T1/E1 Interface Module Pinout

The table below shows the wiring schematic of the cable used to connect the 32 T1/E1 interface module to
the rear of the patch panel.
Figure 2: 32 T1/E1 Wiring Schematic of Cable between 32 T1/E1 Interface and Patch Panel
8 T1/E1 Interface Module RJ48C Port Pinnouts
Table 10: RJ48C Connector Pin-out for 8 T/E1 Interface Module
DescriptionDirectionSignalPin
Receive TipInputRX_TIP1
Receive RingOutputRX_RING2
Not Connected3
Receive TipInputTX_TIP4
Receive RingOutputTX_RING5
Not Connected6
Not Connected7
Not Connected8
Serial Cable Pinouts
The following sections summarize the pinouts for 14-port serial interface module when used with the cable
types specified in Connecting Serial Cables.
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8 T1/E1 Interface Module RJ48C Port Pinnouts

DB-9 Connector Pinouts
The table below summarizes the pinouts for each serial interface type when using a DB-9 connector.
Table 11: DB-9 Pin-outs
IRIG-BRS-485DescriptionDirectionStandard DB-9Pin
NCNCUnusedOutputNC1
NCNCReceiveInputRxD2
IRIG-B (RS232)IRIG-B (RS232)TransmitOutputTxD3
IRIG-B-
(RS485)
TxD-DTROutputDTR4
GNDGNDGNDGND5
NCRxDDSRInputDSR6
IRIG-B+TxD+RTSOutputRTS7
NCRxD+ (CTSInputCTS8
NCNCUnused or RingNC/GND9
Twisted pairs are 2-5, 6-8, 4-7.Note
The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.Note
RJ-45 Connector Pinouts
The table below summarizes the pinouts for each serial interface type when using an RJ-45 connector.
Table 12: RJ45 Pinout
IRIG-BRS-485DescriptionDirectionStandard DB-9Pin
NCRxD+ (RS485)Ready to sendInputRTS1
NCRxD- (RS485)DTRInputDTR2
NCNCTransmitInputTxD3
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DB-9 Connector Pinouts

IRIG-BRS-485DescriptionDirectionStandard DB-9Pin
GndGndSignal groundGND4
GndGndSignal groundGND5
IRIG-B (RS232)IRIG-B (RS232)Receive dataOutputRxD6
IRIG-B-
(RS485)
TxD-DSROutputDST7
IRIG-B+
(RS485)
TxD+CTSOutputCTS8
Twisted Pairs are: 1-2, 3-6, 4-5, 7-8.Note
The X.21, V.35, RS-485, EIA-449, EIA-530, and IRIG-B standards are not currently supported by software.Note
E and M Interface Module Pinouts
Table 13: RJ45 Front End Pinout
Usage532Type 1DescriptionSignalPin
—
SBSB
—
48V signaling
battery
SIG_BAT_N48V1
MSignaling inputM_SIG_IN2
Not used in 2-wire
mode
RRing, audio inputRING_AUDIO_IN3
4-wire mode: Output
2-wire mode: InOut
R1Ring, audio
input/ouput or
output
RING_AUDIO_IN_OUT4
T1Tip, audio
input/output or
output
TIP_AUDIO_IN_OUT5
Not used in 2-wire
mode
TTip, audio inputTIP_AUDIO_IN6
ESignaling outputE_SIG_OUT7
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E and M Interface Module Pinouts

Usage532Type 1DescriptionSignalPin
—
SGSG
—
Signaling ground
return
SIG_GND_RETURN8
Management Ethernet Port Pinout
A single management copper ENET port supporting 10/100/1000Base-T operation exists on each RSP. There
is no direct access to the CPU of the other RSP. It uses a standard RJ45 jack.
This is not a data plane port.Note
The table below summarizes the Management Ethernet port pinout.
Table 14: Management Ethernet Port Pinout
DescriptionSignal NamePin
TRP0+1
TRP0-2
TRP1+3
TRP1-4
TRP2+5
TRP2-6
TRP3+7
TRP3-8
USB Console Port Pinout
Two individual Type-A USB connector are used for USB console and USB mass storage. One single USB
2.0 Type-A receptacle is provided on the RSP front panel for providing console access to ROMMON, IOS-XE
and diagnostics. It operates as a USB peripheral only for connection to an external host PC. This requires the
use of a Type-A to Type-A connector instead of a standard USB cable.
The use of the USB console is mutually exclusive with the RS232 console/Aux port. While a USB cable
is inserted, access is automatically switched to this port.
Note
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Management Ethernet Port Pinout

The other single USB 2.0 Type-A receptacle is provided on the RSP front panel for inserting external USB
mass storage devices such as standard USB flash drives. It is used to load images, store configurations, write
logs, etc. It supports operation up to 12Mbps.
The table below summarizes the USB console port pinout.
Table 15: Single USB Console Port
DescriptionDirectionSignal NamePin
+5VDC (500mA)VccA1
Data -D-A2
Data +D+A3
GroundGndA4
The USB Console port +5VDC is input and operates as an USB peripheral device.Note
USB Flash/MEM Port Pinout
The table below summarizes the USB flash/MEM port pinout.
Table 16: Single USB Flash/MEM Port
DescriptionDirectionSignal NamePin
+5VDC (500mA)VccA1
Data -D-A2
Data +D+A3
GroundGndA4
USB TYPE-A receptacle used.Note
The USB flash/MEM port +5VDC is output. We provide power for USB flash/MEM, and it operates as
a USB host device.
Note
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USB Flash/MEM Port Pinout

Fiber-Optic Specifications
The specification for optical fiber transmission defines two types of fiber: single-mode and multimode. Within
the single-mode category, three transmission types are defined: short reach, intermediate reach, and long
reach. Within the multimode category, only short reach is available. For information about optical SFP modules,
see the documentation for the SFP module at:
http://www.cisco.com/en/US/partner/products/hw/modules/ps5455/prod_installation_guides_list.html .
Cabling Guidelines
The guidelines are recommended during the installation of fiber cables:
•Avoid the following actions that can stress the cable:
◦Pulling or stretching beyond the specified pulling load rate
◦Bending it beyond the specified bend radius
◦Creating tension in the suspension runs
•Do not touch the fiber tips of fiber cables.
•Use single mode or multi-mode optical fiber cables as per the optical transceiver requirement.
•Use fiber cleaner to clean the fiber tip as well as transceiver before inserting the fiber cable into the
optical transceiver during installation.
•To avoid excessive bending of fiber cable and efficient routing of cables, cable guides or cable brackets
are recommended to be used with the chassis.
LED Summary
The following sections describe the meanings of the LEDs on the Cisco ASR 903 Router.
RSP LEDs
The table below summarizes the RSP LEDs for the supported RSP modules.
A major alarm condition indicates the failure of a single fan in the fan tray; a critical alarm indicates the
failure of multiple fans. In the event that a single fan fails, the Cisco ASR 903 Router software adjusts
the fan speed to prevent excessive heat within the chassis.
Note
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Fiber-Optic Specifications

ASR900-RSP LED
Table 17: A900-RSP LEDs
Description (two LEDs for each
port)
Color/StateLED
Disabled/no power to RSPOffPower (PWR)
Power rails on RSP in rangeGreen
Disabled/power downOffStatus (STAT)
Failure to boot (lit at reset)Red
Rommon bootedYellow
IOS booted and runningGreen
Not availableOffActive (ACT)
Standby (indicates standby RSP)Yellow
Active (indicates active RSP)Green
No connectionOffManagement port (MGMT)
Connected with no activityGreen
Connected with activityFlashing green
Not enabledOffSync status (SYNC)
Free runYellow
HoldoverFlashing yellow
Locked to sourceGreen
USB activityFlashing greenUSB flash (MEM)
Out of service/not configuredOffBITS
Fault or loop conditionAmber
In frame/working properlyGreen
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RSP LEDs

A900-RSP2 and A900-RSP3 LED Information
The PWR and STAT LEDs are available on the front panel. These LEDs provide power on the board (PWR)
and overall router health (STAT) status. During power up state, these LEDs provide booting status and report
errors.
The digital code signing functionality validates the integrity and authenticity of the ROMMON image
before booting it.
Note
Table 18: A900-RSP2 and A900-RSP3 LED
CommentIndicationSTAT LED StatePWR LED State
Image validation failed.
System is in hung state.
Power is OK and the
field-programmable gate
array (FPGA) is nfigured
successfully, but FPGA
image validation failed.
RedLight Green
System is up with
ROMMON. Both the
FPGA image is validated
successfully, but the
booted ROMMON
(primary or secondary) is
undetermined.
FPGA configured and
core validated
successfully.
FPGA image passed the
control to micro-loader to
boot ROMMON.
OffFlashing Light Green and
Green alternatively
System is up with
ROMMON. FPGA image
is validated successfully,
but the booted
ROMMON (primary or
secondary) is
undetermined.
The digital code signing
functionality reported
upgrade FPGA image
validation error and is
continuing with the
FPGA image.
Amber
FPGA is up but both
primary and secondary
ROMMON failed. System
is in hung state.
The digital code signing
functionality reported
failure in the ROMMON
image validation.
Red
IOS writes into FPGA
register to indicate that it
has booted, FPGA stops
flashing PWR LED and
turns Green. Software
now controls the STAT
LED.
IOS is successfully
booted
OffGreen
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RSP LEDs

Interface Module LEDs
The table below summarizes the LEDs for the interface modules.
The Status LED is Amber for the 10 Gigabit Ethernet ports when operating in WAN mode for the following:
•8x1 Gigabit Ethernet SFP + 1x10 Gigabit Ethernet SFP+ Interface Module
•8x1 Gigabit Ethernet RJ45 + 1x10 Gigabit Ethernet SFP+ Interface Module
•2x10 Gigabit Ethernet SFP+ Interface Module
Table 19: Interface Module LEDs
DescriptionColor/StateLED
Disabled/no power to IMOffPower (PWR)
Enabled and power rails on IM in
range
Green
Disabled/power-downOffStatus (STAT)
Failure (on at reset)Red
Booting (if local CPU)Flashing Red
OperationalGreen
Inactive or no connectionOffLink status (L)
Fault/loop conditionAmber
Ok with activity or no activityGreen
Inactive port statusOffSpeed (S)
Activity or no activityGreen
OC-3 and OC-192 Interface Module LEDs
The table below summarizes the LEDs for the OC-3 and OC-192 interface module.
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Interface Module LEDs

Table 20: Interface Module LEDs
DescriptionColor/StateLED
Disabled/no power to IMOffPower (PWR)
Enabled and power rails on IM in
range
Green
Disabled/power-downOffStatus (STAT)
Failure (on at reset)Red
Booting (if local CPU)Amber
OperationalGreen
SFP receiving good remote signalGreenCarrier/Alarm (C/A)
Remote or local alarm activatedYellow
SFP ready and operating normallyGreenActive/Loopback(A/L)
SFP port in loopback stateYellow
T1/E1 Interface Module LEDs
The table below summarizes the LEDs for the 16-port T1/E1 interface module.
Table 21: 16-port T1/E1 Interface Module LEDs
Description (two LEDs for
eachT1/E1 port)
Color/StateLED
ActiveGreenActive
StandbyBlinking green
Operationally down; card is
disabled or shut down
Off
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Interface Module LEDs