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ATM RJ45 8-Pin Connector and Cable
The following 8265 modules have ports that require the use of an RJ-45 8-pin
connector and cable:
•
12-port 25Mbps module
•
4-port 155Mbps module, when Twisted Pair I/O cards (Feature Code 8802) are
installed.
Shielded RJ45 connectors are used for data transmission over twisted pair cables.
The recommended twisted pair cabling specifications are:
•
100 ohm UTP Category 3 or better for 25Mbps
•
100 ohm UTP Category 5 or better for 155Mbps.
The RJ45 pin assignments are shown in Figure 12.
Figure 12. ATM 8-Pin Connector
The ATM ports comply with the ATM forum, with the pin assignment in the RJ45
modular jack as described in Table 49.
Table 49. ATM RJ45 8-Pin Connector, ATM Forum Pin Assignment
Pin
1
2
7
8
Network Equipment
Receive +
Receive -
Transmit +
Transmit -
Appendix A. Connectors, Cables, and Accessories
User Device
Transmit +
Transmit -
Receive +
Receive -
79
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