Comtech EF Data CDM-710, Инструкция по установке и эксплуатации

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CDM-710 Broadcast Satellite Modem Revision 11
Front Panel Operation MN/CDM710.IOM
5–28
(CONFIG: Intfc1 HSSI) Rx
Æ
Buffer
Intfc1 Rx Buffer:
Size Recenter (
E)
Select Size or Recenter using the
W X
arrow keys, then press
ENTER
.
(CONFIG: Intfc1 HSSI) Rx
Æ
Buffer
Æ
Size
Intfc1 Rx Buffer Size:
10.0 mSec (0343,680 Bits)
The range of Rx Buffer Size values is from 5.0 to 32.0 mSec in 0.1 mSec increments. To
edit, use the
W X
arrow keys to select the digit to be edited, then use the
ST
arrow keys to
change the value of that digit. Press
ENTER
when done.
(CONFIG: Intfc1 HSSI) Rx
Æ
Buffer
Æ
Recenter
Intfc1 Rx Buffer Fill:
(046%) ReCenter (
E)
This screen indicates the current buffer fill status – in this example, the percentage is
listed at 46%. To reset the buffer to the midpoint (50%), select
ReCenter using the
◄ ►
arrow keys, then press
ENTER
.
(CONFIG: Intfc1 HSSI) Rx
Æ
Clock
Intfc1 Rx Clock:
Source Invert (
E)
Select Source or Invert using the ◄ ► arrow keys, then press
ENTER
.
(CONFIG: Intfc1 HSSI) Rx
Æ
Clock
Æ
Source
Intfc1 Rx Clock:
Rx-Sat Tx-Terr Internal
This selection determines which source clocks the output of the Rx Buffer for delivering
data to the Rx port at the user interface. Select
Rx-Sat, Tx-Terr , or Internal using the
W X
arrow keys, then press
ENTER
. Note the following:
Rx-Sat
(default)
Effectively disables the Rx Buffer because the input and output clocks are the
same. Normally, the Rx Buffer is set for minimum when Rx-Sat is selected.
Tx-Terr
Uses the clock from the Tx input (TT) to clock out the Rx Buffer.
Internal
Derives a clock from the internal 10 MHz reference clock.