Patton electronic 2073RC User Manual
Page 9
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Switches SW3-5: Front panel switch enabled/disabled
Use Switch SW3-5 to enable or disable the Model 2073RC Test Mode
(Local Loop, Remote Digital Loop, and 511/511E patterns).
Switch SW3-6: Response to DTE Request for Local and Remote
Loop
Use Switch SW3-6 to enable the Model 2073RC to enter Local Loopback
mode when pin interface (V.35 only) is raised. In the On position, the
Local Loopback may only be enabled manually by Switch SW3-6.
Switch SW3-4 Response to Remote digital (RDL) Loopback
Use Switch SW3-4 to enable or disable response to Remote digital Loop-
back by the local 2073RC when a RDL request is sent by a remote
device.
Switch SW3-3 Terminal (DTE) data sampled using the 2073RC
Transmit clock or External Clock (provided by V.35 DTEs only)
Use Switch SW3-3 to sample data from DTE using the 2073RC Transmit
clock (TC) or External Clock (XC))—normally Transmit clock (from
2073RC) is used.
ON
Front Panel Test Mode Switches Disabled
OFF
Front panel Test Mode Switches Enabled
SW3-6
Activation Description
On
Disabled Model 2073RC ignores DTE requests to enter
Local Loopback
Off
Enabled Model 2073RC enters Local Loopback when the
appropriate interface pin is raised (see appendix for interface
pinout)
SW3-4
Description
ON
RDL Response Disabled
OFF
RDL Response Enabled
ON
TD Sampled with XC Source,
OFF
TD Sampled with TC Source