| Chapter 5: Setting Up WAN Firmware and Hardware |
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Option | Description |
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Facility Data Link | Facility Data Link protocols are used to exchange |
Protocol(s) | messages between the adapter and the remote end of the |
| network. Such messages are issued by the Telco to put |
| the adapter in loopback mode for testing when problems |
| occur. They are also used to transmit statistics about |
| physical transmission errors on the line. |
| Two protocols are available for the facility data link: the |
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| compatible with each other. |
| Use the protocol(s) indicated by your Telco. If this |
| information is unavailable, the best choice is to use both |
| protocols. |
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iSPAN PRI PCI ISDN Users Guide | 61 |