Table
LED Location | LED Label | LED Indicator | LED Color | OFF to ON | ON to OFF | |
Ethernet line | LINK | Ethernet | Green | Ethernet link up | Ethernet link down | |
modules |
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ACTIVITY | Ethernet | Green | Blinks when Ethernet | No Ethernet traffic | ||
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| traffic on link | on link | |
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| ||
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| |
HSSI line | SYNC | Port status | Green | If the port is configured | If the port is configured | |
module |
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| as DTE, the LED lights | as DTE, the LED goes | |
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| when both the DCE and | out when either the DCE | |
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| the clock source are | or the clock source | |
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| available. | becomes unavailable. | |
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| If the port is configured | If the port is configured | |
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| as DCE, the LED lights | as DCE, the LED goes | |
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| when the DTE is | out when the DTE | |
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| available. | becomes unavailable. | |
| YEL ALM | Note: This LED is not functional on the HSSI line module. | ||||
| RED ALM | Port status | Red | If the port is configured | If the port is configured | |
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| as DTE, the LED lights | as DTE, the LE goes out | |
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| when either the DCE or | when both the DCE and | |
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| the clock source | the clock source are | |
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| becomes unavailable. | available. | |
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| If the port is configured | If the port is configured | |
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| as DCE, the LED lights | as DCE, the LED goes | |
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| when the DTE becomes | out when the DTE is | |
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| unavailable. | available. | |
X.21/V.35 line | ACTIVE | Port status | Green | Port configured | Port not configured | |
module |
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LOOPBK | Port status | Yellow | Port in local loopback or | Port not in loopback | ||
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| remote loopback, |
| |
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| depending on the type of |
| |
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| connection. (See) |
| |
| ERROR | Port status | Red | Port is enabled or comes | Port is disabled or goes | |
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| online | offline | |
| V.35 | Port status | Green | V.35 cable connected | V.35 cable disconnected | |
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| X.21 | Port status | Green | X.21 cable connected | X.21 cable disconnected | |
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| DCE | Port status | Green | DCE cable connected | DCE cable disconnected | |
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| DTE | Port status | Green | DTE cable connected | DTE cable disconnected | |
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Other line | SYNC | Port status | Green | In frame | Not in frame | |
modules |
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YEL ALM | Port status | Yellow | Far end receive failure | No FERF present | ||
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| (FERF) exists |
| |
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| RED ALM | Port status | Red | Loss of sync/frame | In frame | |
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| |
The following figures show a representative module for each of the three variations:
•SRP module (Figure
