Datasheet

CAUTION: To maintain agency approvals, use only a properly constructed,
shielded cable.
Table 30 on page 187, Table 31 on page 187, Table 32 on page 188, and Table 33 on page 189
describe the RJ-48 connector pinouts.
Table 30: RJ-48 Connector to RJ-48 Connector (Straight) Pinout for the
Router
Signal
RJ-48 Pin
(Data numbering
form)
RJ-48 Pin (on T1/E1 PIC)
(Data numbering form)
RX, Ring, –11
RX, Tip, +22
TX, Ring, –44
TX, Tip, +55
Shield/Return/Ground33
Shield/Return/Ground66
No connectNo connect7
No connectNo connect8
Table 31: RJ-48 Connector to RJ-48 Connector (Crossover) Pinout for the
Router
Signal
RJ-48 Pin
(Data numbering
form)
RJ-48 Pin (on T1/E1 PIC)
(Data numbering form)
RX/Ring/– <––>TX/Ring/–41
RX/Tip/+ <––>TX/Tip/+52
TX/Ring/– <––>RX/Ring/–14
TX/Tip/+ <––>RX/Tip/+25
Shield/Return/Ground33
Shield/Return/Ground66
187Copyright © 2012, Juniper Networks, Inc.
Appendix F: M7i Cable Connector Pinouts