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).
ON | Front Panel Test Mode Switches Disabled |
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OFF | Front panel Test Mode Switches Enabled |
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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.
SW3-6 | Activation Description |
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On | Disabled Model 2073RC ignores DTE requests to enter |
| Local Loopback |
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Off | Enabled Model 2073RC enters Local Loopback when the |
| appropriate interface pin is raised (see appendix for interface |
| pinout) |
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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.
SW3-4 | Description |
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ON | RDL Response Disabled |
OFF | RDL Response Enabled |
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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 | TD Sampled with XC Source, |
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OFF | TD Sampled with TC Source |
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