RAD Data comm FCD-X21 Manual de instalación Pagina 65

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Installation and Operation Manual Chapter 2 Installation and Setup
FCD-E1 Connecting the Cables 2-15
AC Fuse Power Switch
AC Power
Connector
Control DTE
Connector
Balanced
Interface
Connector
Unbalanced
Receive
Output
Unbalanced
Transmit
Input
User Channel
No. 1
Connector
Sublink Interface
Balanced
Interface
Connector
Unbalanced
Receive Input
Unbalanced
Transmit
Output
User Channel
No. 2
Connector
Figure 2-7. FCD-E1 with a Sublink and Two Data Channels
AC Fuse Power Switch
AC Power
Connector
Control DTE
Connector
Balanced
Interface
Connector
Unbalanced
Receive
Output
Unbalanced
Transmit
Input
User Channel
No. 1
Connector
Main Link Interface
Balanced
Interface
Connector
Unbalanced
Receive Input
Unbalanced
Transmit
Output
User Channel No.2
(Ethernet Interface)
Connector
Sublink Interface
ERR
Figure 2-8. FCD-E1 with a Sublink and Additional Ethernet Port
The rear panels shown in Figure 2-6, Figure 2-7 and Figure 2-8 are for AC powered
units. For DC-powered units, a circular three-pin DC power connector is used. In
addition to the connectors located on the rear panel, the FCD-E1 has an additional
supervisory port connector, located on the front panel.
Connecting the Electrical Main Link and Sublink
The main link port, in the electrical interface version, and the sublink port have
two interfaces: a 120 balanced line interface, terminated in an RJ-45 eight-pin
connector, and a 75 unbalanced interface, terminated in two BNC coaxial
connectors.
Appendix A provides the pin allocation for the RJ-45 connector.
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