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Chapter 5 Troubleshooting
Pinouts
Note The X.21, V.35,
Management Ethernet Port Pinout
Table
Table | Fan Tray Alarm Port Pinout | ||
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1 | TRP0+ |
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2 | TRP0- |
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3 | TRP1+ |
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4 | TRP2+ |
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5 | TRP2- |
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6 | TRP1- |
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7 | TRP3+ |
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8 | TRP3- |
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USB Console Port Pinout
Table
Table | Single USB Console Port |
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Pin | Signal Name | Direction | Description |
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A1 | Vcc |
| +5VDC (500mA) |
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A2 | D- |
| Data - |
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A3 | D+ |
| Data + |
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A4 | Gnd |
| Ground |
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Note The USB Console port +5VDC is input and operates as an USB peripheral device.
USB Flash/MEM Port Pinout
Table 5-11 summarizes the USB flash/MEM port pinout.
Cisco ASR 903 Router Hardware Installation Guide
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