Ethernet Connectors J2 and J3
3.19.3.2
ETH2 and ETH3 connectors require straight-through cables to connect to external equip-
ment. Refer to Table 3-23 for pinout/function.
Table 3-23 ETH2 and ETH3 Connectors J2 and J3 Pinout
PPP Connector J4
3.19.3.3
Proposed wiring compatible with TIA-568B on an RJ45 connector. Using this pinout, MDR-
8000 radios could be interconnected using a standard four twisted pair (8 wire) straight-
through wired CAT5 Ethernet Crossover patch cord, provided that the clocks port on one
end is provisioned to receive clock instead of transmit clock. Refer to Table 3-24 for pinout/
function.
PIN
1
2
3
5
6
7
8
3-66
PIN
1
RX+
2
RX+
3
TX+
4/5
GND (via 75 ohm resistor)
6
TX-
7/8
GND (via 75 ohm resistor)
Table 3-24 PPP Connector J4 Pinout
FUNCTION
DTE
TXDAP
OUT
TXDAN
OUT
RXDAP
IN
TXCAP
OUT
RXDAN
IN
RXCAP
IN
RXCAN
IN
FUNCTION
DCE
IN
IN
OUT
IN
OUT
OUT
OUT