User's Manual

36
256-KBPS LINE DRIVER (V.35, RS-530, OR X.21)
5. Operation
This chapter contains a list of the controls and indicators and their functions, as
well as a brief description of how to operate the unit. Installation procedures must
be completed and checked before you attempt to operate the line driver.
5.1 Controls and Indicators
The front panel of the standalone line driver is shown in Figure 5-1 below. The
front panel of the rackmount card line driver is shown in Figure 5-2. It contains all
of the unit’s external controls and indicators. The functions of the controls are
described in Table 5-1, and the meanings of the indicators are described in Table
5-2. In each of these tables, the letters and numbers under the heading “Item”
correspond to the letters and numbers in Figure 5-1 or 5-2.
Figure 5-1. The front panel of the standalone line driver.
CB
PWR RTS TD RD DCD TEST ERR
DIG ANA REM PATT
1234567 A D