3-64
Figure 3-38 Other Front PPP Port Connections (Sheet 2 of 2)
3.19.3
Front Access Connectors
Front access connectors include ETH1 Uplink connector J1, ETH2 connector J2, ETH3
connector J3, and PPP connector J4. Refer to the following paragraphs for details.
See
Figure 3-39
. To determine which wire is number 1 on the RJ-45
connector on the mating cable, hold the cable so that the end of the
plastic tip is facing away from you (the copper pins are facing up and
the plastic spring lock s=clip is underneath). When looking down on the
copper pins, pin number 1 is on the far left.
SEND DATA A 4
SEND DATA B 22
RX DATA A 6
RX DATA B 24
RX CLK A 8
RX CLK B 26
TT A 17
TT B 35
7 RXC +
8 RXC -
RS-422 CHANNEL BANK
DCE INTERNAL CLOCK
DB-37
CHANNEL BANK TO TMN
TMN INTERFACE
CROSSOVER MODE
RJ-45
3 RXD +
6 RXD -
4 TXC +
5 TXC -
1 TXD +
2 TXD -
MDR-8000
LMW-9018F
12/15/06
Note
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