3com MSR 50 Manual De Usuario
78
C
HAPTER
3: M
ULTIFUNCTIONAL
I
NTERFACE
M
ODULES
Figure 83 RS449 DCE cable
■
RS530 DTE cable
Figure 84 RS530 DTE cable
■
RS530 DCE cable
Figure 85 RS530 DCE cable
For the pinouts of synchronous/asynchronous serial cables (with DB-28
connectors), see Low-End and Mid-Range Series Routers Cable Manual.
connectors), see Low-End and Mid-Range Series Routers Cable Manual.
n
These cables are optional. Please select one when purchasing an SAE module; by
default, the cables are not provided.
default, the cables are not provided.
Connecting the Interface
Cable
w
WARNING: Before plugging or unplugging interface cables connected to an SAE
module, power off the router. Online insertion or removal tends to damage the
port and even the device.
module, power off the router. Online insertion or removal tends to damage the
port and even the device.
c
CAUTION: Before connecting an SAE module, confirm the model of the
equipment to be connected (that is, the synchronous/asynchronous mode,
DTE/DCE mode, and so on), signaling criterion required by the access equipment,
baud rate, and timing clock.
equipment to be connected (that is, the synchronous/asynchronous mode,
DTE/DCE mode, and so on), signaling criterion required by the access equipment,
baud rate, and timing clock.