Black Box Multi-Function Line Driver Specifications download pdf (Page 14)

SW2 Positions 1 and 2: Word Length

Set positions 1 and 2 of switch SW2 to determine the word length that the

Multi-Function Line Driver will expect for synchronous or asynchronous data.

For example, if you are using the most common data format (1 start bit, 8

data bits, 1 stop bit, and no parity), you would use the factory-default word-

length setting (10 bits).

SW2-1

SW2-2 Word Length

On Off 8 bits

On On 9 bits

Off Off 10 bits (default)

Off On 11 bits

SW2 Position 3: Signaling-Rate Range

Set position 3 of switch SW2 to determine the degree of asynchronous data-

rate fluctuation that the Multi-Function Line Driver will accept (that is, how

much variance from a given frequency level the MFLD will tolerate).

S2-3

Signaling-Rate Range

Off –2.5% to +1% (default)

On –2.5% to +2.3%

SW2 Positions 4 and 5: RTS/CTS Delay

Set positions 4 and 5 of switch SW2 to determine the amount of time the

Multi-Function Line Driver waits after it “sees” RTS before it sends CTS.

Possible settings are no delay, 7 ms, or 53 ms.

SW2-4

SW2-5 RTS/CTS Delay

On On 7 ms (default)

On Off 53 ms

Off On No delay

Off Off No delay

CHAPTER 3: Configuration

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Black Box Multi-Function Line Driver Specifications Page 14