Specifications

SDM-300L3 Satellite Modem Revision 0
Front Panel Operation MN/SDM300L3.IOM
4–31
FUNCTION SELECT: CONFIGURATION: INTERFACE:
BUFFER SIZE (CONDITIONAL)
IMPORTANT
Conditional: The Bits or Milliseconds menu is displayed depending
upon whether Bits or Milliseconds is selected under the Utility:
Interface Buffer Program menu.
BUFFER SIZE
384 BITS
BUFFER SIZE
6 MILLI SECONDS
Sets the size of the buffer in either Bits or Milliseconds..
Upon entry, the current buffer length is displayed. Press [] or [] to select the desired
buffer size. The buffer size is displayed in seconds or bits. Enter the Utility Interface
menu to change the buffer units to seconds or bits.
If selecting seconds, choose from 1 to 99 ms, in increments of 1 ms 2.6 Mbps
or 0 (Bypass).
If selecting bits, choose from 32 to 262144 bits, in increments of 16 bits.
Press [ENTER] to execute the change.
When D&I is selected for modem type, the buffer units are automatically set to ms. The
user may select as follows:
nn = 7.5, 15, or 30 ms for E1CAS format.
nn = 6, 12, 24, or 30 ms for T1IBS/T1S/T1ESFS format.
nn = 1, 2, 4, 8, 16, or 32 ms for all other D&I formats.
Note: To have the modem calculate the plesiochronous shift, set the buffer units to ms.
When a specific buffer depth is desired, set the buffer units to bits. Select bits or ms from
the Utility: Interface menu.