Allied Telesis AT-MC102XLPCI - Manual (Page 39)

AT-MC102XLPCI 100Mbps Media Converter Installation Guide
39
RJ-45 Twisted-
Pair Port Pinouts
Figure 13 illustrates the pin layout to an RJ-45 connector and port.
Figure 13. RJ-45 Connector and Port Pin Layout
Table 6 lists the MDI and MDI-X RJ-45 pin signals with a twisted-pair port.
Fiber Optic Port Specifications
The cable requirements of the fiber port are given in Table 7.
The fiber optic specifications are given in the following tables:
❒
Table 8, “Fiber Optic Launch Power” on page 40.
❒
Table 9, “Fiber Optic Receive Power” on page 40.
❒
Table 10, “Fiber Optic Cable Distance” on page 40.
❒
Table 11, “Fiber Optic Loss Specifications” on page 41.
Table 6. RJ-45 Pin Signals for MDI and MDI-X
Pin MDI Signal MDI-X Signal
1 TX+ RX+
2 TX- RX-
3 RX+ TX+
6 RX- TX-
Table 7. Fiber Optic Cable Loss Budget
Type of Fiber Optic Cable
Maximum
Operating
Distance
Maximum
Allowable Loss
Budget
50/125 or 62.5/125 micron
multimode 2 km (1.2
mi) 13 dB at 1310
nm