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

Multi-channel satellite modem with doubletalk carrier-in-carrier
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CDM-Qx Satellite Modem
Front Panel Operation
The option is changed using the #$ arrow keys, then pressing
options are possible:
RTS/CTS Loop, No Action
Loop, RTS Controls Tx Out
Ignore RTS, Assert CTS
Selecting HSSI displays the following submenu:
HSSI Mode Select:
TA to CA Loop
The option is changed using the #$ arrow keys, then pressing
options are possible:
TA to CA Loop
RR controls CA,
TA controls Tx Out
Selecting G.703 displays the following submenu:
G.703 Type:
E1-Unbalanced
If G.703 balanced interface, the user can select either T1 or E1-Balanced. If G.703
unbalanced interface, the user can select either T1 or E1-Unbalanced. Use the ◄ ►
arrow keys to select, then press
Selecting T1 displays the following submenu:
T1 Configuration:
Length Line-Code
Select Length or Line-Code using the ◄ ► arrow keys, then press
Selecting Line–Code displays the following submenu:
G.703 T1 Line Code:
B8ZS
Select B8ZS or AMI using the ◄ ► arrow keys, then press
Selecting Length displays the following submenu:
T1 Line Length:
000-133 feet
RTS and CTS are looped, so that CTS echoes the state of RTS,
but RTS does not control the ON/OFF state of the carrier.
RTS and CTS are looped, so that CTS echoes the state of RTS,
and RTS controls the ON/OFF state of the carrier (in other
words, the modem will not bring up its TX carrier until RTS is
asserted.
RTS is ignored, and CTS is asserted unconditionally.
(▲ ▼, ENT)
TA and CA are looped, but TA does not control the ON/OFF
state of the carrier.
TA controls the ON/OFF state of the carrier (in other words, the
modem will not bring up its TX carrier until TA is asserted.
T1 E1-Balanced
ENTER
(◄ ►, ENT)
AMI
(◄ ►, ENT)
(◄ ►, ENT)
.
(▲ ▼, ENT)
5–34
Revision 6
MN/CDMQx.IOM
. The following
ENTER
. The following
ENTER
.
ENTER
.
ENTER

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