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3040/V35
139001UA
2-4
INSTALLATION AND OPERATIONS MANUAL
SETUP & INSTALLATION
PATTON ELECTRONICS CO.
Receive Data Mode (SW18-7)
Setting switch SW18-7 to
ONON
ONON
ON sets the 3040/V35 (CTS MD-V.35/TCB) into the Gated Mode.
Only the Sub-Channel that is currently active will receive the data from the master port. Setting
position 7 to
OFF OFF
OFF OFF
OFF enables the Broadcast mode. Receive Data from the Master Port is sent to
all Sub-Channels.
Control Turn-Off Delay in “DATA” Switching Mode (SW15-3,4)
When configured to switch on DATA, switch SW15-3 and 4 set the Sub-Channel release time
in clocks. The value selected is the number of clocks at the current baud rate that must occur
without any data transitions on the Sub-Channel to indicate that Sub-Channel has completed
its transmission and the 3040/V35 (CTS MD-V.35/TCB) can resume servicing the other Sub-
Channels. The following table should be used to set this time period.
SW15-3 SW15-4 CLOCKS
ON ON 16
ON OFF 64
OFF ON 256
OFF OFF 2048
Switch on Data / Control (SW17-5,6,7,8)
Each sub-channel is independently selectable for switch on data or switch on an active
interface control lead. Set SW17 pos 5 to
OFFOFF
OFFOFF
OFF if sub-channel 1 switch on Data is required.
Set pos 5 to
ONON
ONON
ON if switch on interface control lead is desired. Position 6 thru 8 are associated
with sub-channels 2 thru 4.
Internal Baud Rates (SW15-5,6,7,8)
Switch SW15-5, 6, 7 and 8 select the master clock rate when Internal Clock Source is selected
on TX Clock Source or RX Clock Source. In addition the Fallback clock rate is also selected
with this option. When Fallback clocking is required, the RX Clock Source and TX Clock
Source should not be set to INTERNAL. SW15-5, 6, 7 and 8 selects the clock rate of the
Fallback Clock when Internal Clock Fallback is selected. The following table shows the
available rates.