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Front Panel Operation
CDM-760 Advanced High-Speed Trunking Modem
o For Interface, use the arrow keys to select RS-232, RS-485-2W, or RS-485-4W.
o For Address, note the following:
For RS-232 (aka EIA-232) – The Address is fixed at 0000 and is not editable.
For RS-485-2W or RS-485-4W (aka EIA-485 2-Wire or 4-Wire) – Use the arrow
keys to select a digit, and then use the arrow keys to change that digit. Address
0000 is reserved for universal addressing. The permitted address range is 0001 to
9999.
o For Baudrate, use the arrow keys to select 2400, 4800, 9600, 19200, 38400, or
57600 baud.
Character format is not selectable. It is fixed at 8-N-1.
Press ENTER.
(CONFIG: Remote) Remote Control Ethernet
Select Ethernet to enable remote SNMP, Telnet, or Web Server Interface M&C of the modem.
6.2.2.9.2 (CONFIG: Remote) InBand
InBand Modem Control allows remote Ethernet access via the Gigabit Ethernet data interfaces.
Use the arrow keys to Enable or Disable this feature. Press ENTER.
1) This feature is functional only with the base unit Gigabit Ethernet data interfaces.
See Chapter 7. ETHERNET INTERFACE OPERATION for operations associated with
the optional High-Speed Packet Processor Gigabit Ethernet data interfaces.
2) When you enable InBand, the modem establishes an internal Layer 2 connection
between all active Ethernet data ports (GBEI1/J5 | GBEI2/J6 | Optical GBEI/J7) and
the management port (J4 | MGMT). For this reason, when you enable InBand
control, you should never make a physical connection from any Ethernet data port
to the physical management port – this will cause a networking loop and create a
broadcast storm. Similarly, when you enable InBand, you may not physically
connect the IP traffic data ports and management port to a single external switch,
as this will cause the same networking loop/broadcast storm condition. When you
need InBand control in tandem with external control, you must separate the
physical connection for the IP traffic data ports and the management port with a
router or two independent networks.
6–45
Revision 4
MN-CDM760
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