Black Box ME445C-35, ME444AE-R3, ME445C-X.21, ME444A-R3 manual Operation, Controls and Indicators

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.

								DIG	ANA	REM	PATT
PWR RTS		TD		RD	DCD	TEST	ERR
1	2	3	4		5	6	7	A	B	C	D

Figure 5-1. The front panel of the standalone line driver.

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