Table of Contents
Advertisement
SDM-300L3 Satellite Modem
Front Panel Operation
FUNCTION SELECT: CONFIGURATION: INTERFACE:
BUFFER CENTER
This configuration function is used to center the buffer. Choosing YES centers the buffer.
Press <ENTER> twice to center the buffer.
FUNCTION SELECT: CONFIGURATION: INTERFACE:
LOOP TIMING
The On setting programs the transmit clocking to the RX satellite clock. TX and RX data
rates must be equal unless the asymmetrical loop timing (ASLT) option is enabled. SCT
is phase locked to the RX Satellite clock.
FUNCTION SELECT: CONFIGURATION: INTERFACE:
TX DATA FAULT (CONDITIONAL)
IMPORTANT
Transmit data fault. Press [↑] or [↓] to select one of the following modes:
NONE
ALARM INDICATION SIGNAL
(AIS)
DATA
BUFFER CENTER
YES/NO
LOOP TIMING
TX DATA FAULT
Conditional: This menu is only available when the overhead interface
PCB is installed.
The transmit interface fault Data/AIS is not activated.
Sets transmit interface fault Data/AIS to monitor a fault condition
of all 1s from customer data input to the modem.
Sets transmit interface fault Data/AIS to monitor a fault condition
of all 1s or 0s. This is referred to as a data-stable condition, which
means that the data is not transitioning.
OFF
NONE
4–33
Revision 1
MN/SDM300L3.IOM
Advertisement
Table of Contents
