3Com Router Module Guide
Chapter 4
4-15
Description
Attribute
Synchronous
Asynchronous
Cable
V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
V.35 DTE cable
V.35 DCE cable
X.21 DTE cable
X.21 DCE cable
RS449 DTE cable
RS449 DCE cable
RS530 DTE cable
RS530 DCE cable
Supported service
1) DDN leased line
2) Terminal access service
1) Dialup through modem
2) Backup
3) Asynchronous leased
line
4) Terminal access
service
4.3.3 Panel and Interface LEDs
The following figures show the ROUTER 4/8-PORT ENHANCED SERIAL FIC panels:
Figure 4-8
Router 4-Port Enhanced Serial FIC panel
The following table describes the LEDs on the Router 4-Port Enhanced Serial FIC
panel:
Table 4-9
LEDs on the Router 4-Port Enhanced Serial FIC panel
LED
Description
LINK
OFF means no link is present; ON means a link is present.