Figure 133: Vhdci To Rj-21 Cable; Table 42: Rj-21 Pin Assignments For The M40E Router - Juniper M40E Hardware Manual

Table 42: RJ-21 Pin Assignments for the M40e Router

Ethernet Port Numbers
0, 12, 24, 36
1, 13, 25, 37
2, 14, 26, 38
3, 15, 27, 39
4, 16, 28, 40
5, 17, 29, 41
6, 18, 30, 42
7, 19, 31, 43
8, 20, 32, 44
9, 21, 33, 45
10, 22, 34, 46
11, 23, 35, 47
Related
Documentation
Copyright © 2010, Juniper Networks, Inc.

Figure 133: VHDCI to RJ-21 Cable

Table 42 on page 297 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.
RJ-21 Pin Assignment
TX -
2
4
6
8
10
12
14
16
18
20
22
24
M40e PIC Overview
M40e Router Power Requirements on page 274
Appendix F: M40e Cable Connector Pinouts
TX + RX -
27 1
29 3
31 5
33 7
35 9
37 11
39 13
41 15
43 17
45 19
47 21
49 23
RX +
26
28
30
32
34
36
38
40
42
44
46
48
297