M320 Rj-48 Connector Pinouts For The Control Board External Clock Inputs; Table 40: Rj-48 Connector Pinouts - Juniper M320 Hardware Manual

Table 39: RJ-48 Connector to DB-15 Connector (Crossover)
Pinouts (continued)
RJ-48 Pin (on T1/E1 PIC)
(Data numbering form)
9
10
11
12
13
14
15
Related
Documentation

M320 RJ-48 Connector Pinouts for the Control Board External Clock Inputs

Copyright © 2010, Juniper Networks, Inc.
DB-15 Pin
(Data numbering
form)
No connect
No connect
No connect
No connect
No connect
No connect
No connect
M320 Chassis Description on page 6
M320 Connector Interface Panel (CIP) Description on page 25
M320 Site Preparation Checklist Requirements on page 41
The two inputs on the CB labeled
accept RJ-48 cables for connecting the CB to 19.44-MHz Stratum 3 reference clocks. .
Table 40 on page 269 describes the RJ-48 connector pinouts.

Table 40: RJ-48 Connector Pinouts

Pin Signal
1 EXT_RRING (negative input clock)
2 EXT_RTIP (positive input clock)
3 Shield ground
4 EXT_TRING (negative output signal—not a clock)
5 EXT_TTIP (positive output signal—not a clock)
6 Shield ground
7 Not used
Appendix F: M320 Router Cable Connector Pinouts
Signal
No connect
No connect
No connect
No connect
No connect
No connect
No connect
are RJ-48 receptacles that
EXTERNAL CLOCK INPUT
269