Important Note - Comtech EF Data CDM-550T Manual

Front Panel Operation
(CONFIG) FRAME (Framing Mode)
(CONFIG, FRAME) TRANSPARENT
(CONFIG, FRAME) FRAMED
6–20
SELECT FRAMING MODE:
TRANSPARENT FRAMED (ENT)
The sub-branches available are:
No framing is selected. No overhead is added, and the unit will be compatible
with other manufacturer's equipment, when operating in a 'standard'
configuration (IESS 308 filtering, V.35 scrambling, Viterbi).

IMPORTANT NOTE:

See Appendix C for details of the Async Overhead Mode which
was added in Software Version 1.19. This provides an
alternaive to the EDMAC modes described below.
SELECT FRAMING OPTION:
EDMAC-OFF EDMAC-ON (ENT)
Select either EDMAC-OFF or EDMAC-ON, using the LEFT/RIGHT arrow
keys, then press ENTER.
Embedded Distant-end Monitor And Control is enabled or disabled in this sub-
menu.
If EDMAC-OFF is selected then none of the EDMAC features are available,
even though framing will still be enabled.
If EDMAC-ON is selected, the user is further prompted to select whether the unit
is an EDMAC master, or an EDMAC slave:
CDM-550T Satellite Modem
Rev. 1.3