Mocomtech CDM-QX - Manual (Page 100)

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision 7
Front Panel Operation MN/CDMQX.IOM
5–34
5.4.6.3 CONFIG: Interface
Æ G.703
G.703 Type: T1 E1-Balanced
E1-Unbal E2-Unbal (◄ ►,ENT)
Select T1, E1-Balanced, E1-Unbal , or E2-Unbal using the ◄ ► arrow keys, then press
ENTER
.
Note the following:
• If the data interface is G.703 Balanced, T1 and E1-Balanced are selectable.
• If the data interface is G.703 Unbalanced, T1, E1-Unbal, and E2-Unbal are selectable.
CONFIG: Interface
Æ G.703 Æ T1
T1 Configuration
Length Line-Code (◄ ►,ENT)
Select Length or Line-code using the ◄ ► arrow keys, then press
ENTER
.
CONFIG: Interface Æ G.703 Æ T1 Æ Length
T1 Line Length:
000-133 feet (▲ ▼,ENT)
Select the desired line length by using the ST arrow keys. Press
ENTER
when done. Note
that the values will toggle through the following line length ranges (in feet): 000-133, 133-
266, 266-399, 399-533, and 533-655.
CONFIG: Interface Æ G.703 Æ T1 Æ Line-Code
G.703 T1 Line Code:
B8ZS AMI (◄ ►,ENT)
Select B8ZS or AMI using the ◄ ► arrow keys, then press
ENTER
. Note the following:
B8ZS Selects Bipolar 8-zero Substitution line coding.
AMI Selects Alternate Mark Inversion line coding.
CONFIG: Interface
Æ G.703 Æ E1-Balanced, E1-Unbal, E2-Unbal
G.703 E1 Line Code:
HDB3 AMI (◄ ►,ENT)
Select HDB3 or AMI using the ◄ ► arrow keys, then press
ENTER
. Note the following:
HDB3
Selects High Density Bipolar Three Zeros Substitution line coding.
AMI Selects Alternate Mark Inversion line coding.