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Cisco ASR 902 Troubleshooting Manual
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Cisco ASR 902 Troubleshooting Manual

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Troubleshooting
This chapter provides information about troubleshooting issues, if any, on the Cisco ASR 902 Router.
•
•
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
Pi n
1
2
3
4
5
6
7
8
Pinouts, on page 1
LED Summary, on page 11
Signal
Direction
Description
Name
RX Ring
Input
Receive
Ring
RX Tip
Input
Receive Tip
—
—
Not used
TX Ring
Output
TX Ring
TX Tip
Output
TX Tip
—
—
Not used
—
—
Not used
—
—
Not used
Troubleshooting
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Summary of Contents for Cisco ASR 902

  • Page 1 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.
  • Page 2 Troubleshooting GPS Port Pinouts 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.
  • Page 3 Troubleshooting Time-of-Day Port Pinouts Figure 1: Terminating 1-PPS Signal Label Component 1-PPS SMB connector External 50 ohm resistor The table below summarizes the ToD/1-PPS port pinouts for ASR900-RSP2A. Note 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.
  • Page 4 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...
  • Page 5 Troubleshooting T1/E1 Port Pinouts Line Board PIn Signal Name Telco TX Jack Pin Board Pin Signal Name Telco RX Jack Pin Line 3 TX_RING_P4 RX_RING_P4 TX_TIP_P4 RX_TIP_P4 Line 4 TX_RING_P5 RX_RING_P5 TX_TIP_P5 RX_TIP_P5 Line 5 TX_RING_P6 RX_RING_P6 TX_TIP_P6 RX_TIP_P6 Line 6 TX_RING_P7 RX_RING_P7 TX_TIP_P7...
  • Page 6 Troubleshooting G.703/FXS/FXO Interface Module Pinout 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 Signal Name Direction Description Ring Analog Ring audio Analog Tip audio Table 9: FXS RJ45 Pinout Signal Name Direction Description...
  • Page 7 Troubleshooting Serial Interface Modules Pinouts Table 10: G.703 RJ48C Pinout Signal Name Direction Description Rx_Tip Input G.703 64 Kbps Co-Directional receive tip signal Rx_Ring Input G.703 64 Kbps Co-Directional receive ring signal Tx_Tip Output G.703 64 Kbps Co-Directional transmit tip signal Tx_Ring Output G.703 64 Kbps Co-Directional transmit...
  • Page 8 Troubleshooting RJ-45 Connector Pinouts Note 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. 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 Pi n Standard...
  • Page 9 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.
  • Page 10 Note 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. 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.

  • Page 11: Table Of Contents

    Troubleshooting LED Summary LED Summary The following sections describe the meanings of the LEDs on the Cisco ASR 902 Router: RSP LEDs ASR900-RSP LED Table 16: ASR900-RSP LEDs Color/State Description (two LEDs for each port) Power (PWR) Disabled/no power to RSP...
  • Page 12 Troubleshooting ASR900-RSP2 and ASR900-RSP3 LED Information ASR900-RSP2 and ASR900-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.

  • Page 13: Led

    Troubleshooting OC-3/OC-12 Interface Module LEDs Table 18: Interface Module LEDs Color/State Description Power (PWR) Disabled/No power to IM Green Enabled and power rails on IM in range Status (STAT) Disabled/Power-down Failure (On at reset) Flashing Red Booting (if local CPU) Green Operational Link status (L)

  • Page 14: Active (Act)

    One or more configured ports are down and at least one configured port is in a loopback state All ports disabled or shut down 14-Port Serial Interface Module LEDs The table below summarizes the LEDs for the serial interface module. Table 21: Cisco ASR 902 Router Serial IM LEDs LED Label Color/State Meaning Power (PWR) Green All power rails are within spec.

  • Page 15: Not Enabled

    Port has failed Yellow Not Enabled (at POR) 4-Port C37.94 Interface Module LEDs The table below summarizes the LEDs for the C37.94 interface module. Table 22: Cisco ASR 902 Router C37.94 IM LEDs LED Label Color/State Description Power (PWR) Green All power rails are within spec.

  • Page 16: Off Out Of Service/Not Configured

    Green Solid Fault/Error/Alarm Yellow Link Down G.703/FXS/FXO Interface Module LEDs The following table summarizes the LEDs for the G.703/FXS/FXO interface module. Table 23: Cisco ASR 903 Router G.703/FXS/FXO IM LEDs LED Label Color or Description State Power (PWR) Green All power rails are within spec.
  • Page 17 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 902 Router software adjusts the fan speed to prevent excessive heat within the chassis.
  • Page 18 No critical alarm (CRIT) Critical alarm (defaults to ON upon RSP reset) Alarm Conditions The table below summarizes the meaning of the alarm conditions on the Cisco ASR 902 Router. Table 28: Alarm Condition Summary Alarm Type Alarm Meaning Critical...

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