Comtech EF Data CDM-700 Installation And Operation Manual page 82

CDM-700 High Speed Satellite Modem
Front Panel Operation
If Intfc1 Port1 Rx:
Intfc1 Port1 Rx Buffer:
Frame-Type Size ReCenter
Select Frame-Type, Size, or Recenter using the
If Intfc1 Port1 Rx Buffer:
Intfc1 Port1 Rx Frame:
G.751
Select Frame-Type, Size, or Recenter using the
The Frame Type and the number of bits in the frame displayed are dependent on the choice
selected under Intfc1 Port1:
when the Port Type is E3. The available Frame Type / (Bits) are as follows:
Selected Port Type
(as displayed)
E3
T3
STS1
The minimum buffer size is determined by the the number of bits in the frame and the maximum
buffer size is based upon the integral number of frames that can fit in the buffer memory.
If Intfc1 Port1 Rx Buffer:
Intfc1 Port1 Rx Buffer:
10.0 mSec (0344.064 Bits)(
Edit the Rx Buffer Size by selecting the digit to be edited, using the
of the digit is then changed using the
The Rx Buffer is programmed in 0.5 ms steps rounded to the increment closest to an integral
number of bits based upon the Frame Type. The maximum buffer size is:
G.752
STS-1
The Rx buffer has a minimum value of 0.5 ms (default). Selecting the minimum value and
programming Rx-CLK for Rx-SAT disables the buffer and sets it to minimum.
Buf is selected:
Frame-Type is selected:
(1536 Bits)
Type. In the above example, G.751 (1536 Bits) shows the frame
Frame Type
(Frame Size, in bits, as displayed)
None - default
G.751 (1536 Bits)
G.753 (2148 Bits)
None - default
G.752 (4760 Bits)
None - default
STS-1 (6480 Bits)
Size is selected:
▲ ▼
G.751 61 ms
44 ms
G.753 61 ms
40 ms
◄ ►
arrow keys. Press
( E)
◄ ►
arrow keys. Press
E)
arrow keys. Press
ENTER
6–28
Revision 5
MN/CDM700.IOM
.
ENTER
.
ENTER
◄ ►
arrow keys. The value
.