Digital Equipment DEC WANrouter 90, Руководство пользователя, Страница: 31 / 121

1–5 Introduction
Table 1–1: Controls, Indicators, and Connectors
Item Description
1 Power
Indicator Turns on when +5 volts is supplied to the unit.
2 System OK
Indicator Turns on when the unit has successfully completed its diagnos-
tics.
3 Network OK
Indicator Turns on when the unit is connected to a properly terminated
network and software has been successfully downline loaded.
4 Ethernet
Address Unique physical address of the unit.
5 50
-
pin D
-
sub
Connector
Connects a synchronous or ansynchronous device to the rout-
er. The device connects to the port via an adapter cable and an
extension cable. Refer to Appendix A for information about
these cables.
6 Console Port
Connector
(MMJ) Connects a terminal to the DEC WANrouter 90 for performing
diagnostic procedures and setting parameters.
7 Network
Connector
(BNC) Connects the unit to the Ethernet LAN. Not used when the unit
is installed in the DEChub 90 Ethernet backplane.
8 Backplane
Connector Provides network and power connections to the DEC WANrout-
er 90 when it is installed in the DEChub 90 Ethernet backplane.
9 Power
Connector Pr5 volts from the DEC WANrouter 90 standalone pow-
er supply. Not used when the unit is installed in the DEChub 90
Ethernet backplane.
10 Cover
11 PTT Label
Present on standalone units only. Covers the backplane con-
nector and mounting assembly.
PTT approval label. Contains warning information for installa-
tions in the United Kingdom.
1.6 Models
There is only one model of the DEC WANrouter 90, but this model has several ver-
sions depending on whether the unit is intended for:
•
Standalone installation or insertion into a DEChub 90 backplane
•
Installation in Europe or in a non European country