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2.4
Connectors
The Midspan's front panel has a Console port (DB-9 connector). The user
may connect a terminal and perform software loading via this connector,
using a standard null modem cable.
The console port is set to 19,200-baud, 8 data bits, no parity and 1 stop
bit. Pin connections for this connector are:
Pin 2 is
Receive
(RXD)
Pin 5 is
Ground
Ethernet
Switch
1
2
3
RJ-45
4
5
6
7
8
Each data port is configured as shown in Figure 2-3, as data "Pass-
Through" ports for all data pins (pins 1, 2, 3 and 6). Ensure that Category
5 or higher cabling is used, as shown in the above figure.
PowerDsine
RJ-IN
1
Data
2
Data
3
Data
4
5
6
Data
7
8
Midspan Channel
Figure 2-3: Connecting to the Midspan
Pin 3 is Transmit
(TXD)
Pins 1 and 6 are
shorted
RJ-OUT
1
2
3
4
DC +
5
6
7
8
11
The Power over Ethernet Pioneers
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5
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5
PD
Data
1
2
Data
Data
3
RJ-45
4
DC +
5
6
Data
DC -
7
DC -
8
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