3 features, 1 physical description, 2 compatibility – Mocomtech CDM-QX User Manual
Page 29: 3 major assemblies, 3 features 1.3.1 physical description

CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision
7
Introduction
MN/CDMQx.IOM
1–5
1.3
Features
1.3.1
Physical Description
CDM-Qx/QxL Multi-Channel Satellite Modem is constructed as a 1RU-high rack-mounting chassis,
which can be free-standing if desired. Rack handles at the front facilitate removal from and placement
into a rack.
1.3.2
Compatibility
The CDM-Qx/QxL is backwards compatible with a number of Comtech EF Data CDM, SDM,
and
SLM modems.
1.3.3
Major Assemblies
CDM-Qx Major Assemblies
Assembly
Description
PL/10570-1
1 PPM Reference IF Backplane 70/140 MHz IF
PL/10570-2
0.1 PPM Reference IF Backplane 70/140 MHz IF
PL/10069 Digital
Backplane
PL/10073
Monitor and Control Card
PL/11128
70/140 MHz IF Modulator
PL/10635
70/140 MHz IF Demodulator with Carrier in Carrier
®
PL/12960-1
AC Chassis, 70/140 IF
PL/12960-2
DC Chassis, 70/140 IF
CDM-QxL Major Assemblies
Assembly
Description
PL/10070-1
0.1 PPM Reference IF Backplane L-Band IF
PL/10069 Digital
Backplane
PL/10073
Monitor and Control Card
PL/10071
L-Band IF Modulator
PL/10072
L-Band IF Demodulator with Carrier in Carrier
®
PL/12798-1
AC Chassis, L-Band
PL/12798-2
DC Chassis, L-Band
CDM Qx/QxL Optional Assemblies
Assembly
Description
AS/11014
Turbo Codec – Simplex
PL/10678
EIA-530 Duplex Data interface
PL/10697
G.703 Balanced Duplex Data Interface
PL/10698
G.703 Unbalanced Duplex Data Interface (E1/T1)
PL/10635
G.703 Unbalanced Duplex Data Interface (E2)
PL/12608-1
Quad E1 G.703 Data Interface
PL/10898-1
EIA-612/613 HSSI Interface