3Com AccessBuilder 4000 Installation Manual

Also see for AccessBuilder 4000: Installation guide

Contents

1-4 CHAPTER 1: INTRODUCTIONHardwareDescriptionThe following sections describe the system hardware components.The AccessBuilder 4000 system consists of a chassis assembly whichcontains one of two available main processor boards, power supply,indicator lights, and two slots for I/O cards of your choice. The mainprocessor board is available with either an Ethernet, or a Token RingLAN interface. Figure 1-2 shows the front and back of the system.Figure 1-2 The AccessBuilder 4000 Front and Rear PanelsFront Panel The front panel of the AccessBuilder chassis has three LEDs, whichindicate Power, Status, and Activity, as shown in Figure 1-2.Rear Panel Main Processor and I/O Card Slots. AccessBuilder has three slots inthe rear. The top slot contains the main processor board (Ethernet orToken Ring) and the two smaller slots below are for the I/O cards. Theposition of the slots and their numbering scheme are also shown inFigure 1-2.The main processor board has Flash ROM for program storage, DRAMfor software operation, NVRAM (non-volatile RAM) for configurationstorage, and built-in Ethernet or Token Ring capability. The Ethernetversion provides AUI, BNC, and 10BaseT connectors (switch selectable),as shown in Figure 1-3 to connect to the on-board Ethernet port. TheToken Ring version provides connectors for shielded twisted pair (STP),SLOT 2 SLOT 1CONSOLE110-240 VAC50-60 Hz 1ASTP4M/16M UTPTOKEN RING110-240 VAC50-60 Hz 1ACONSOLE AUIBNC TPEBNC/AUI/TPEETHERNETSLOT 2 SLOT 1StatusActivity PowerSYSTEM STATUSSYSTEM STATUSAccessBuilder4000Remote Access ServerFront PanelRear Panel Token RingRear Panel Ethernetab4kbook Page 4 Thursday, March 27, 1997 11:51 AM