Juniper Networks M10i manual Vhdci to RJ-21 Cable, RJ-21 Pin Assignments

M10i Internet Router Hardware Guide

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

Ethernet Port Numbers	RJ-21 Pin Assignment
	TX -	TX +	RX -	RX +
0	2	27	1	26
1	4	29	3	28
2	6	31	5	30
3	8	33	7	32
4	10	35	9	34
5	12	37	11	36
6	14	39	13	38
7	16	41	15	40
8	18	43	17	42
9	20	45	19	44
10	22	47	21	46
11	24	49	23	48

206■ RJ-21 Cable Pinouts for Fast Ethernet 12-Port PIC