3Com 3C13755-US - Router 5642 Installation Manual page 19

Features
Front Panel and LEDs
Table 15 lists features of the 1-Port Serial SIC
Table 15 Features of the 1-Port Serial SIC
Description
Feature Synchronous
Connector Type DB-50
Number of 1
Connectors
Cable Type V.24
(EIA/TIA-232)
DTE Cable
V.24
(EIA/TIA-232 DCE
Cable
Interface V.24
Standard and
Operation Mode DTE, DCE
Minimum Baud 1200
Rate (bps)
Maximum Baud 64k
Rate (bps)
Supported leased line
Service
terminal
accessing
backup
Supported PPP
Protocol
MP
LAPB
HDLC
SDLC
X.25
Frame Relay
Figure 13 illustrates the front panel of the 1-Port Serial SIC.
Figure 13 Front Panel of the 1-Port Serial SIC
Asynchronous
V.35 DTE Cable
V.35 DCE Cable
V.35
DTE DCE
1200 1200
2.048M 2.048M
1-Port Serial SIC 17
EIA/TIA -232
300
115.2k
modem dial-up
dumb terminal
accessing
asynchronous
leased line
backup
PPP
SLIP
MP