Cabling To The Cdm-570Al Or Cdm-570L; Crs-170ACdm-570Al Or Cdm-570L Interface Connections Using 1:1 Redundancy Kit - Comtech EF Data CRS-170A Installation And Operation Manual

CRS-170A L-Band 1:1 Redundancy Switch
Cables and Connections
5.8

Cabling to the CDM-570AL or CDM-570L

1) For information on the CDM-570AL or CDM-570L's 1:1 auto-enable functionality, see:
•
•
•
2) For detailed information about the cables and cable assemblies specified in this section,
see Appendix A. CABLE DRAWINGS.
5.8.1 CRS-170ACDM-570AL or CDM-570L Interface Connections Using
1:1 Redundancy Kit KT/10860-1
You must use the items provided in the Comtech EF Data KT/10860-1 1:1 Redundancy Kit for all possible
CDM-570AL or CDM-570L data interface configurations:
KT/10860-1 1:1 Redundancy Kit – Interface Cabling Reference (CRS-170A  CDM-570AL or CDM-570L)
Qty/Kit
CEFD Part No.
(REF)
PL/10129-1 1
CA/WR9378-4 2
CA/RF10453-4 4
CA/RB10461-1 1
CA/WR10522-1 1
KT/10553-1 1
Figure 5-38 and Figure 5-39 show how to connect a pair of CDM-570AL or CDM-570L modems together
with the CRS-170A L-Band 1:1 Redundancy Switch module; the table that accompanies each figure lists
all cables and components needed from the KT/10860-1 for this initial switch-to-modem setup.
Chapter 4. MODEM
AND
CDM-570A/CDM-570AL/CDMR-570AL Satellite Modem Installation and
Operation Manual (CEFD P/N MN-CDM570A)
CDM-570/CDM-570L/CDMR-570L Satellite Modem Installation and Operation
Manual (CEFD P/N MN/CDM570L.IOM)
Description
CRS-170A Switch – Top Assembly
Control Cable – Universal, DB-9M  DB-9M, 4'
RoHS-Compliant Cable – IF (Tx/Rx),
50Ω Type 'N', 4'
Cable – 1:1 Y-Splitter, (2X) DB-25M  DB-25F
Cable – 1:1 Y-Splitter, (2X) DB-15M  DB-15F
G.703 Unbalanced Interface Kit containing:
(Qty 4) CA/BNC75OHM Cable – IF BNC, 1'
(Qty 2) CN/BNC-Tee-JPJ T-Adapter, 50Ω BNC
SWITCH CONFIGURATION
Used For
1:1 Redundancy
Modem  Switch
Control
Modem  Switch IF
Interface
EIA-422/232 Interface
G.703 Balanced
G.703 Unbalanced
5–45
MN/CRS170A.IOM
Revision 14
Ch. 5 Fig
5-38
5-39
5-38
5-39
5-41
5-41
5-43