User Manual
- 8 -
Communication Connections
EDS-208 has 7 or 8 10/100BaseT(X) Ethernet ports, and 1 or 0 (zero)
100BaseFX (SC/ST-type connector) multi-mode fiber ports.
10/100BaseT(X) Ethernet Port Connection
The 10/100BaseT(X) ports located on EDS-208’s front panel are used to
connect to Ethernet-enabled devices.
Below we show pinouts for both MDI (NIC-type) ports and MDI-X
(HUB/Switch-type) ports, and also show cable wiring diagrams for
straight-through and cross-over Ethernet cables.
MDI Port Pinouts
MDI-X Port Pinouts
8-pin RJ45
Pin
Signal
1
Tx+
2
Tx-
3
Rx+
6
Rx-
Pin
Signal
1
Rx+
2
Rx-
3
Tx+
6
Tx-
RJ45 (8-pin) to RJ45 (8-pin) Straight-Through Cable Wiring
RJ45 (8-pin) to RJ45 (8-pin) Cross-Over Cable Wiring










