Cisco ASR 902 Mode d'emploi
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
Pin
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
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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.
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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
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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
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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
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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
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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
Pin
NCNCUnusedOutputNC1
NCNCReceiveInputRxD2
IRIG-B-
(RS232)
-TransmitOutputTxD3
IRIG-B-
(RS485)
TxD-DTROutputDTR4
GNDGNDGND-GND5
NCRxDDSRInputDSR6
IRIG-B+TxD+RTSOutputRTS7
NCRxD+CTSInputCTS8
NCNCUnused or RingNC/GND9
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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
Pin
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.
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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
Pin
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
Pin
+5 VDC (500 mA)VccA1
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Troubleshooting
USB Console Port Pinouts
DescriptionSignal
Name
Pin
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
Pin
+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
10
Troubleshooting
USB Flash or MEM Port Pinouts
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2
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