Cisco ASR 902 Operating instructions

Troubleshooting

This chapter provides information about troubleshooting issues, if any, on the Cisco ASR 902 Router.

•Pinouts, on page 1

•LED Summary, on page 11

Pinouts

The following sections describe the pinouts for the Cisco ASR 902 Router interfaces:

BITS Port Pinouts

The table below summarizes the BITS port pinouts.

Table 1: BITS Port Pinouts

DescriptionDirectionSignal

Name

Receive

Ring

InputRX Ring1

Receive TipInputRX Tip2

Not used——3

TX RingOutputTX Ring4

TX TipOutputTX Tip5

Not used——6

Not used——7

Not used——8

Troubleshooting

GPS Port Pinouts

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 Pinouts

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 nanosecondsInput—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

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 nanosecondsInput—AC coupled

Output—5 nanoseconds

Rise Time

Time-of-Day Port Pinouts

To ensure proper signal integrity at the receiver, we recommend that you use a 50-ohm termination, as shown

in the figure below. The output swing at 50-ohm load is guaranteed to be 2.9 V.

Troubleshooting

GPS Port Pinouts

Figure 1: Terminating 1-PPS Signal

ComponentLabel

1-PPS SMB connector1

External 50 ohm resistor2

The table below summarizes the ToD/1-PPS port pinouts for ASR900-RSP2A.

This port requires the use of SHIELDED cable for GR-1089-core Intra-Bldg lightning surge protection. The

RS422 interface is per industry-standard EIA-422 /RS422 specification.

Note

Table 4: RJ45 1-PPS/ToD Port Pinouts

DescriptionDirectionSignal NamePin

Do not connectOutputRESERVED1

Do not connectInputRESERVED2

Do not connect—RESERVED3

——GND4

——GND5

Do not connect—RESERVED6

Time of Day characterOutput or InputTOD_N7

Time of Day characterOutput or InputTOD_P8

Table 5: RS422 Pinout

DescriptionSignal NamePin

RTS pin for RS232TXD+4

Troubleshooting

Time-of-Day Port Pinouts

DescriptionSignal NamePin

DTR pin for RS232TXD-20

CTS pin for RS232RXD+5

DSR pin for RS232RXD-6

Alarm Port Pinouts

The table below summarizes the external alarm input pinouts.

Table 6: External Alarm Input Pinouts

DescriptionSignal NamePin

Alarm input 0ALARM0_IN1

Alarm input 1ALARM1_IN2

No connect—3

No connect—4

No connect—5

No connect—6

No connect—7

Alarm

common

COMMON8

T1/E1 Port Pinouts

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 7: T1/E1 Interface Pinouts

Jack PinTelco RXSignal NameBoard PinJack PinTelco TXSignal NameBoard PInLine

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

Troubleshooting

Alarm Port Pinouts

Jack PinTelco RXSignal NameBoard PinJack PinTelco TXSignal NameBoard PInLine

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

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.

Troubleshooting

T1/E1 Port Pinouts

Figure 2: Wiring Schematic of Cable Between T1/E1 Interface and Patch Panel

G.703/FXS/FXO Interface Module Pinout

Table 8: FXO RJ11 Pinout

DescriptionDirectionSignal NamePin

--NC1

Ring audioAnalogRing2

Tip audioAnalogTip3

--NC4

Table 9: FXS RJ45 Pinout

DescriptionDirectionSignal NamePin

--NC1, 2, 3

Ring audioAnalogRing4

Tip audioAnalogTip5

--NC6, 7, 8

Troubleshooting

G.703/FXS/FXO Interface Module Pinout

Table 10: G.703 RJ48C Pinout

DescriptionDirectionSignal NamePin

G.703 64 Kbps Co-Directional receive

tip signal

InputRx_Tip1

G.703 64 Kbps Co-Directional receive

ring signal

InputRx_Ring2

--NC3

G.703 64 Kbps Co-Directional transmit

tip signal

OutputTx_Tip4

G.703 64 Kbps Co-Directional transmit

ring signal

OutputTx_Ring5

--NC6, 7, 8

Serial Interface Modules Pinouts

The following sections summarize the pinouts on the 14-port serial interface module when used with the cable

types specified in Connecting Serial Cables .

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 Pinouts

IRIG-BRS-485DescriptionDirectionStandard

DB-9

NCNCUnusedOutputNC1

NCNCReceiveInputRxD2

IRIG-B-

(RS232)

-TransmitOutputTxD3

IRIG-B-

(RS485)

TxD-DTROutputDTR4

GNDGNDGND-GND5

NCRxDDSRInputDSR6

IRIG-B+TxD+RTSOutputRTS7

NCRxD+CTSInputCTS8

NCNCUnused or RingNC/GND9

Troubleshooting

Serial Interface Modules Pinouts

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-9

NCRxD+

(RS485)

Ready to

send

InputRTS1

NCRxD- (RS485)DTRInputDTR2

NCNCTransmitInputTxD3

GndGndSignal

ground

GND4

GndGndSignal

ground

GND5

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

Management Ethernet Port Pinouts

A single management copper Ethernet port supporting 10/100/1000Base-T operation exists on each RSP.

There is no direct access to the CPU of the other RSP. The Management Ethernet port uses a standard RJ45

jack.

Troubleshooting

RJ-45 Connector Pinouts

This is not a data plane port.

Note

The table below summarizes the Management Ethernet port pinouts.

Table 13: Management Ethernet Port Pinouts

Signal

Name

TRP0+1

TRP0-2

TRP1+3

TRP1-4

TRP2+5

TRP2-6

TRP3+7

TRP3-8

USB Console Port Pinouts

Two individual Type A USB connectors are used for the USB console and USB mass storage. One USB 2.0

Type A receptacle is provided on the RSP front panel for providing console access to ROMMON, Cisco

IOS-XE, and diagnostics. This USB 2.0 Type A receptacle operates as a USB peripheral only for connections

to an external host PC. This receptacle 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. When a USB cable is

inserted, access is automatically switched to this port.

Note

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, and so on, and supports up to 12 Mbps of operation.

The table below summarizes the USB console port pinouts.

Table 14: Single USB Console Port Pinout

DescriptionSignal

Name

+5 VDC (500 mA)VccA1

Troubleshooting

USB Console Port Pinouts

DescriptionSignal

Name

Data -D-A2

Data +D+A3

GroundGndA4

The USB console port supports +5 VDC input, and operates as a USB peripheral device.

Note

USB Flash or MEM Port Pinouts

The table below summarizes the USB flash or MEM port pinouts.

Table 15: Single USB Flash or MEM Port Pinouts

DescriptionSignal

Name

+5 VDC (500 mA)VccA1

Data -D-A2

Data +D+A3

GroundGndA4

USB TYPE-A receptacle is used.

Note

The USB flash or MEM port +5VDC is output. Cisco ASR 902 Router provides power for USB flash or MEM

port. This port operates as a USB host device.

Note

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.

Troubleshooting

USB Flash or MEM Port Pinouts

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