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3Com Router 5000 and Router 6000 v2.41
Module Guide
Chapter 3
Multifunctional Interface Modules (Router 5000)
3-22
Asynchronous serial interface is generally used as dialing port and connected to a
modem or a Terminal Adapter (TA). In this case, regardless of the operating mode of
the device, only an appropriate baud rate for the interface needs to be selected.
Serial interface is generally used for the direct connection to such a device as DDN,
frame relay, or X.25 switch.
3.6.2 Interface Attributes
The interface attributes of Router 4-Port Serial MIM are given in the following table:
Table 3-14 Interface attributes of Router 4-Port Serial MIM
Description
Attribute
Synchronous Asynchronous
Connector DB100 (Router 4-Port Serial MIM)
Number of
connectors
1 (Router 4-Port Serial MIM)
V.24 V.35
Interface standard
and operating
mode
DTE
DCE
DTE DCE
RS232
Minimum baud
rate
(bps)
1200 1200 1200 300
Maximum baud
rate
(bps)
64 k 4.096 M 2.048 M 115.2
Cable
V.24 (RS232) DTE cable
V.24 (RS232) DCE cable
V.35 DTE cable
V.35 DCE cable
Router 4-Port Serial MIM conversion cable (Router 4-Port Serial MIM)
Services
supported
DDN leased line
Terminal access service
Dialup through modem
Backup
Async leased line
Dumb terminal access