Installation Manual
Quidway Eudemon 200 Firewall Appendix A Specifications of Interface Cables
A-4
RJ45
Signal
Direction
Category 5
Twisted Pair
Signal Direction RJ45
7 - White (Brown) - 7
8 - Brown - 8
Note:
The above table can be used as reference while distinguishing or preparing the two kinds of Ethernet
cables. While preparing the Ethernet cables, please follow the chromatogram given in the table above to
arrange the wires. Otherwise communication quality will be affected even though the equipment at two
ends are connected.
A.4 E1 Cable and 4E1 Conversion Cable
Table A-5 E1 cable pinouts
DB15 BNC (75-ohm coaxial cable) RJ-45 (120-ohm twisted pair)
9 Tx Tip Tx Tip 1 Tx Tip
2 Tx Ring Tx Ring 2 Tx Ring
10 Tx Shield - 3 Tx Shield
8 Rx Tip Rx Tip 4 Rx Tip
15 Rx Ring Rx Ring 5 Rx Ring
7 Rx Shield - 6 Rx Shield
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