System Description 1-5
and unshielded twisted pair (UTP) media connections. Ring speeds of
4Mbps or 16Mbps can also be selected.
A built-in RS-232 console port (DCE) is also provided on the main
processor boards (pinout information is provided in Appendix A). A
terminal or workstation running a terminal emulation program can be
connected to the console port for installing, configuring, and
monitoring your server.
Figure 1-3 Main Processor Boards
The I/O card slots shown in Figure 1-2 are shipped from the factory
with cover plates which must be removed before installing I/O cards.
For instructions on installing I/O cards, refer to Appendix C, “Installing
I/O Cards.”
The chassis assembly contains a bus that rests vertically against the
backplane of the card cage. DIN connectors secured on the backplane
mate with DIN connectors secured to the main processor and I/O cards.
Power Supply. The power supply module consists of the power
supply itself which adjusts (autoranges) the supply voltage to the
AccessBuilder chassis automatically. No operator intervention is
required for switching between 90 and 240-VAC operation.
SLOT 2 SLOT 1
CONSOLE
STP
4M/16M
UTP
TOKEN RING
CONSOLE
AUI
BNC
TPE
BNC/AUI/TPE
ETHERNET
SLOT 2 SLOT 1
TOKEN RING
ETHERNET
Console Connector
(DCE)
Ring Speed
Switch
STP
Port
UTP
Port
Media Type
Switch
Console Connector
(DCE)
BNC
Connector
AUI
Connector
10BaseT
Connector
ab4kbook Page 5 Thursday, March 27, 1997 11:51 AM
