VIP Port Adapter Functions
Note The VIP is oriented horizontally in the Cisco 7010 and Cisco 7505, and vertically in the Cisco 7000, the Cisco 7507, and the Cisco 7513.
The following conditions must be met before the enabled LED goes on:
•The 4T interface is correctly connected to the backplane and receiving power.
•The
•The bus recognizes the
If any of these conditions is not met, or if the initialization fails for other reasons, the enabled LED does not go on.
Table 9 lists the 4T port adapter LEDs and their indications.
Table 9 | LED Indications |
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LED Label | DTE Function | DCE Function | Color and Function |
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TD | Transmit data out | Transmit data in | Green |
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TC | Transmit clock in | Transmit clock in | Green |
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| (TXCE) |
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RD | Receive data in | Receive data out | Green |
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RC | Receive clock in | Receive clock out | Green |
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LB/CD | – | – | Green: DTR, DSR, RTS, CTS, or DCD active |
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| Yellow: local loop or internal loop active |
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EN (enable) | – | – | Green: port adapter enabled |
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4T Port Adapter Receptacles, Cables, and Pinouts
The following sections describe the serial receptacles on the 4T port adapter, and the cables and pinouts for the various serial interface cables.
Serial Port Adapter Receptacles and Cables
The 4T port adapter and adapter cables allow a high density of interface ports, regardless of the size of the connectors typically used with each electrical interface type.
All ports use an identical
Note The adapter cable determines the electrical interface type and mode of the port (DTE or DCE) to which it is connected.