61202295L1-1A © 2003 ADTRAN, Inc. 19Chapter 1 IntroductionTSU ACE OVERVIEWThe TSU ACE belongs to the ADTRAN T1 single-port CSU/DSU family offering complete flexibility inconnecting various data sources to T1 or FT1 facilities (see Table 1-1).The TSU ACE serves as the link between user data sources such as local area network (LAN) bridges androuters, computers, CAD systems, and teleconferencing equipment. The amount of bandwidth allocated tothe port is custom programmable. The data terminal equipment (DTE) data can occupy contiguous oralternate channels in the T1 stream, and the channels may start at any position.TSU ACE Physical DescriptionFigure 1-1 shows the TSU ACE front panel and Figure 1-2 shows the rear panel..Figure 1-1. TSU ACE - Front PanelFigure 1-2. TSU ACE - Rear PanelTable 1-1. TSU Family of Single-port CSU/DSUsProduct DescriptionTSU ACE T1 CSU/DSU with a single Nx56/64K serial port that offers front panel configuration only.TSU LT T1 CSU/DSU with a single Nx56/64K serial port that offers terminal, front panel, or T-Watch PROconfiguration options.NETWORKV.35 Nx56/64 115VAC 60HZ 0.15A