A P P E N D I X

GLOSSARY

A

ALC Automatic Limit Control is a closed loop mechanism controlling the gain stabilization of the HPA’s RF output power.

APL Asynchronous Party Line – A VIPERSAT term for RS-485 multi-drop bus used for control of indoor equipment. See also SPL.

ARP Address Resolution Protocol – A protocol for a LAN device to determine the MAC address of a locally connected device given its IP address. See also MAC.

ASR Automatic Switch Request is a switch request message used in legacy VMS installations

ATM Asynchronous Transfer Mode (ATM)

B

BER Bit Error Rate (sometimes Ratio) – A measure of the number of data bits received incorrectly compared to the total number of bits transmitted.

BUC Block Up Converter

Bps Bits Per Second – A measure of transmission speed. See also kb/s & Mb/s

Appendix E - Glossary

E-1

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Cables to Go CDM-570L manual Glossary