RAD Data comm HCD-E1 - Manual (Page 60)

Chapter 3 - Front Panel Operating Instructions HCD-E1 Installation & Operation Manual
3-2 Front Panel Controls, Connectors, and Indicators 11/01/00 19:52
10 8
E1 LOS
LOC REM LINE A LINE B
HDSL LOS
ALM TST CURSOR SCROLL ENTER
DCE
CONTROL
HCD-E1 HCD-E1 HCD-E1 HCD-E1
3 2 1
5 6
7 9
11 4
Figure 3-1 HCD-E1 Front Panel
Table 3-1 HCD-E1 Controls, Connectors and Indicators
No Name Type Function
1 E1 LOS LOC LED indicator Lights when the local E1 port loses frame synchronization to
the incoming signal (in the UNFRAMED mode, the indicator
lights when the incoming signal is corrupted or missing)
2 E1 LOS REM LED indicator Lights when the equipment connected to the E1 port
reports loss of synchronization. This indication is not
available when the UNFRAMED mode is selected.
3 HDSL LOS
LINE A LED indicator Lights when the HDSL line A (line 1) circuits lose
synchronization to the incoming signal
4 HDSL LOS
LINE B LED indicator Lights when the HDSL line B (line 2) circuits lose
synchronization to the incoming signal
5 TST LED indicator Lights when a test is active
6 ALM LED indicator Lights when ON-state alarms (for explanation of the term
see Section 5.2, Status Indications and Alarms, in Chapter 5)
are stored in the HCD-E1 alarm buffer
7 Alphanumeric
display Liquid crystal display (LCD) used to display messages and
status information. The display contains 2 rows of 16
characters each.
8 CURSOR Push button Used to move among the information fields on the LCD
9 SCROLL Push button Used to scroll among the available options displayed on the
LCD
10 ENTER Push button Used to confirm the changes made in HCD-E1 operation
11 CONTROL
DCE Connector Connection to control terminal