Installation guide

Page 2-2
SPECIFICATIONS/REQUIREMENTS
Twisted Pair Connectors
Type: RJ-45 port, for use with twisted pair
cable. See Figure 2-1.
RJ-45 Port Pin
Configuration: Figure 2-1 shows the MR9T Port 9
straight-through pin configuration, as
indicated by ‘=’ on the switch label.
Figure 2-2 shows cross-over RJ-45
Port pin configuration, ‘X’ on the
switch label. Port 9 of the MR9T is
selectable for cross-over or straight-
through configuration. Ports 1
through 8 on both the MR9T and
MR9T-C use the cross-over
configuration.
Pin 1 TX+
Pin 2 TX-
Pin 3 RX+
Pin 4 No Connection
Pin 5 No Connection
Pin 6 RX-
Pin 7 No Connection
Pin 8 No Connection
MR9T Port 9
123456 87
Figure 2-1. MR9T Port 9 Switched for
Straight-Through Pin Configuration