Switches S2-6 and S2-7: Clock Mode
Use Switches
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CO/CP |
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CO | On | On | Internal | Transmit clock |
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| generated inter- |
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| nally |
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CO | Off | On | External (DTE) | Transmit clock |
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| derived from |
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| terminal inter- |
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| face |
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CP | On | Off | Receive Recover | Transmit clock |
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| derived from the |
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| received line |
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| Off | Off |
| Reserved |
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Switch S2-8: Enable/Disable Loop Tests from DTE
Use Switch
Setting | |
On | Response to DTE Loopback Request Enabled |
Off | Response to DTE Loopback Request Disabled |
7
3.1.3Configuration Switch Set “S3”
Use the eight DIP Switches in Switch S3 to enable the DTE con- nection rate. The following table summarizes default positions of DIP Switch S3. Detailed descriptions of each switch follow the table.
S3 SUMMARY TABLE
| Position | Function | Factory Default |
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| DTE Rate | On | } |
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| DTE Rate | Off |
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| DTE Rate | Off | 768 kbps |
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| DTE Rate | Off |
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| DTE Rate | On |
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| DTE Rate | On |
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| Reset Software Defaults | On | Normal Operation |
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| Transmit Data Sample Point | On | Normal Operation |
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Switch S3-1: DTE Rate
Use Switch
DTE Rate (kbps) | ||||||
Off | Off | On | On | On | On | 64 |
On | On | Off | On | On | On | 128 |
Off | On | Off | On | On | On | 192 |
On | Off | Off | On | On | On | 256 |
Off | Off | Off | On | On | On | 320 |
On | On | On | Off | On | On | 384 |
Off | On | On | Off | On | On | 448 |
On | Off | On | Off | On | On | 512 |
Off | Off | On | Off | On | On | 576 |
On | On | Off | Off | On | On | 640 |
Off | On | Off | Off | On | On | 704 |
On | Off | Off | Off | On | On | 768 |
Off | Off | Off | Off | On | On | 832 |
On | On | On | On | Off | On | 896 |
Off | On | On | On | Off | On | 960 |
On | Off | On | On | Off | On | 1024 |
Off | Off | On | On | Off | On | 1088 |
Off | On | Off | On | Off | On | 1216 |
On | Off | Off | On | Off | On | 1280 |
Off | Off | Off | On | Off | On | 1344 |
On | On | On | Off | Off | On | 1408 |
Off | On | On | Off | Off | On | 1472 |
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