HP J2415A, Installation And Reference Manual

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Serial Port Communications
The RS-232 serial port is used by a management console PC to communicate
with the hub, or to other hubs connected on a Distributed Management
Chain. For information on serial port configuration, refer to chapter 2,
“Installing and Using HP Stack Manager”, and to the online help system of
HP Stack Manager.
Note the following:
The port supports multiple baud rates: 300, 1200, 2400, and 9600 (default)
baud. When a connection is made, automatic sensing of the baud rate is
performed. (Higher rates are supported when an HP SNMP
Bridge/Module is installed.)
The port provides full V.22bis modem line control when connected to a
modem link for remote access to the hub (or chain of hubs).
In-Band Management
In-band management refers to the ability to manage an HP AdvanceStack
hub, or chain of hubs, from a network management station that is running a
supported network management utility such as HP Interconnect Manager.
The management station must be connected to the same network as the
hub.
If you have installed an HP J2414B 100VG/ET SNMP/Bridge Module, the hub
can be managed over the network and will allow management of any 100VG
hub connected to it through the Distributed Management Chain. The
HP SNMP/Bridge Module is required for a Telnet session to the ASCII
console.
Hub Referen
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Hub Reference
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