Table of Contents
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G
LOSSARY
ALC
Automatic Limit Control
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 – A switch request message for bandwidth adjust-
ment sent by a VIPERSAT modem to the VMS when Automatic Switching is
enabled.
ATM
Asynchronous Transfer Mode
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
A p p e n d i x
G l o s s a r y
E -
A
– A closed loop mechanism controlling the gain
B
A
P P E N D I X
E-1
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