| Table 3. Line and Desktop Unit Front Panel Components |
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|
Name | Function |
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|
HDSL SYNC LED | Displays synchronization state for the HDSL loop. |
HDSL ALM LED | Displays alarm state for the HDSL loop. |
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|
I/F ALM LED | Displays alarm state for the G.703 data port. |
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|
LOC LPBK LED | Displays local (LOC) loopback state. |
LOC LPBK Button | Activates the local HDSL analog loopback. |
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|
REM LPBK LED | Displays remote (REM) loopback state. |
REM LPBK Button | Activates the remote interface loopback. |
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|
V.24 | Provides |
port | a V.24 |
| screen menus as described in “System Configuration” on page 25. This connector can also be used to |
| download new firmware to the line unit’s flash memory as described in “Firmware Download Utility” on |
| page 62. This port is configured as DCE (see “Maintenance Terminal Connection” on page 25 for |
| pinouts). |
|
|
Bar code label (all units) | Contains the serial number and part number of the unit, as indicated in both bar code and text format. |
| Also contains the configuration number of the unit, as indicated by "CFG: Rnn," where nn is the |
| configuration number. For example, CFG: R07 would indicate configuration number 07. |
|
|
Warranty control | Indicates the beginning year and month of the line card warranty. Also indicates the line card revision |
number label | number. For example, a warranty control number of "803R07" would indicate a warranty beginning in |
| the year 1998 (8), during the month of March (03), and line card revision number R07. |
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|
Unit ID label | Identifies the model number, manufacturer, part number, and input voltage range of the ETU. Includes |
| the CE mark, certifying that the unit is in compliance with directive EN300 |
| Warranty” on the inside of the back cover. |
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|
August 9, 2002 | 5 |