Specifications

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hardware handshaking applications. Note: SW1-8 must be “ON” in all 2-wire applica-
tions.
2.4 SWITCH SET SW2
The DIP switches on SW2 set word length, extended signaling rate, RTS/CTS delay,
2-wire/4-wire and V.52/V.54 tests. The factory default settings for Switch Set SW2 are
summarized in the table below.
SW2-1 and SW2-2: Word Length
SW2-1 and SW2-2 are set in combination to determine the word length for aynchro-
nous data.
Table 6: Carrier Control Method
SW1-8 Setting
Off Constantly on
On Controlled by RTS
Table 7: SW2 Summary Table
Position Function Factory Default
SW2-1 Word Length Off
10 bits
SW2-2 Word Length Off
SW2-3 Extended Signaling Off -2.5% to +1%
SW2-4 RTS/CTS Delay On
7 mS
SW2-5 RTS/CTS Delays On
SW2-6 2/4 Wire On 4-wire/
full dpx
SW2-7 2/4 Wire Off
SW2-8 V.52/V.54 Tests Off Enabled
Table 8: Word Length
SW2-1 SW2-2
Setting
(bits)
Off On 8
On On 9
Off Off 10
On Off 11