Comtech EF Data UB-54 - Manual (Page 9)

Rev. 1 1–1
1
Chapter 1.
INTRODUCTION
The UB-54 (Figure 1-1) functions as an 8-channel multiplexer (MUX) or 8-channel
demultiplexer (DEMUX) data breakout panel in one small, rack-mountable unit.
TRIB 1 DATA TRIB 2 DATA TRIB 3 DATA TRIB 4 DATA TRIB 5 DATA TRIB 6 DATA TRIB 7 DATA TRIB 8 DATA AUX
J9 J8 J7 J4 J1 J2 J3 J5 J6
MUX / DEMUX
BREAKOUT
UB-54
Figure 1-1. UB-54 Breakout Panel
1.1 Overview
The breakout panel is used to provide a convenient access to tributary data when an
8-channel MUX or 8-channel DEMUX is used.
Major UB-54 features include:
•
Breakout of the 100-pin, 8-channel MUX interface connector through nine
standard 15-pin D connectors (8 tributary connectors plus 1 auxiliary circuit
connector). Refer to the SDM-300 Satellite Modem Installation and
Operation manual for more information.
•
Breakout of the three rear panel 25-pin D 8 channel DEMUX interface
connectors through nine standard 15-pin D connectors (8 tributary
connectors plus 1 auxiliary circuit connector). Refer to the SDR-54 Satellite
Demodulator Installation and Operation manual for more information.