Network Router User Manual

Figure 67: VHDCI to RJ-21 Cable
Table 33 on page 206 describes the RJ-21 cable pinouts.
NOTE: RJ-21 pin numbers 25 and 50 do not appear in the table because they are
ground connectors.
Table 33: RJ-21 Pin Assignments
RJ-21 Pin AssignmentEthernet Port Numbers
RX +RX -TX +TX -
2612720
2832941
3053162
3273383
34935104
361137125
381339146
401541167
421743188
441945209
4621472210
4823492411
206 RJ-21 Cable Pinouts for Fast Ethernet 12-Port PIC
M10i Internet Router Hardware Guide