3Com MSR 30, MSR 20, MSR 50 manual RS530 DTE cable, RS530 DCE cable

SIC-1SAE 27

Figure 15 RS449 DCE cable

■RS530 DTE cable

Figure 16 RS530 DTE cable

■RS530 DCE cable

Figure 17 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.

n These cables are optional items. Please select one when purchasing a SIC-1SAE card; by default, the cable is not provided.

Connecting the Interface Cable

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WARNING:

■Before plugging or unplugging the interface cable connected to the SIC-1SAE card, power off the router. Online insertion or removal tends to damage the port and even the device.

■Before connecting the SIC-1SAE card to a remote device, identify the type of the device, such as its synchronous/asynchronous mode and DTE/DCE mode, and the signaling criterion, baud rate and time clock required by the access device.