Digital Data Switch (Dds20) Configurations - Comtech EF Data Radyne RCS20 Installation And Operation Manual

RCS20 M:N Redundancy Switch
Introduction

1.3.2 Digital Data Switch (DDS20) Configurations

The DDS20 provides all of the data interconnections between the online and backup modems. The
DDS20 also provides buffering of terrestrial data signals to backup modulators allowing 'hot-standby'
modes of operation. The DDS20 receives control and DC power through an interconnecting cable from
the RCU20. Terrestrial interface options for the DDS20 include the following options:
Universal Interface:
•
ASI Interface:
•
G.703 Interface: Unbalanced T1, E1, T2, E2, T3, E3, STS-1
•
Ethernet:
•
The DDS20 is available in the following three configurations:
Universal DDS20
•
DDS20-ASI-M or DDS20-G.703-M (Modulator only)
•
DDS20-ASI-D or DDS20-G.703-D (Demodulator only)
•
RS-449, V.35, RS-232, IDR & IBS Alarms
BNC Female
RJ45 - 10/100/1000 Base-T.
1–3
Revision 15
MN-RCS20 and CD-RCS20