Quad E1 Interface Example - Comtech EF Data CRS-170A Installation And Operation Manual

CRS-170A L-Band 1:1 Redundancy Switch
Cables and Connections
5.3.2.1.3

Quad E1 Interface Example

Use the individual G.703 Balanced and Auxiliary G.703 DB-9F connectors for Quad E1 operation.
1) As shown in Figure 5-7, the CA-0000071 'Y' Cable provides for two ports of E1 (i.e., Ports
1/2 -or- Ports 3/4).
2) If you desires three or four separate ports of E1 (i.e., Port 1 and Port 2 -or- Port 3 and
Port 4), then optional adapter cables may be purchased from Comtech EF Data to adapt
the G.703 Balanced and Auxiliary G.703 DB-9F single connector pairs to outgoing Quad E1
connector pairs as follows:
Cable
CEFD P/N
CA-0000163
CA-0000164
KT-0000122
All three cabling options plug into the single 'To User' connector side of each
CA-0000071 'Y' Splitter cable used.
CEFD Part No.
CA-0000071
Converts (1) 9-pin Type 'D' (DB-9F) paired connection (e.g.,
Modem A AND Modem B G.703 Balanced connector pair –or–
Modem A AND Modem B Auxiliary G.703 connector pair) to:
(2) 15-pin Type 'D' (DB-15F) connectors
(2) RJ-48 female connectors
(4) BNC 75Ω female connectors – (2) Tx, (2) Rx
Qty Description
2
Cable – 1:1 'Y' Splitter, (2X) DB-9M  DB-9F, 8"
Note 1
Figure 5-7. CDM-625A or CDM-625 Quad E1 1:1 Example
5–11
MN/CRS170A.IOM
Revision 14
See
App. A
Fig.
A-11
A-12
A-13