Table 3: Jumper Positions for Configuring Port Signaling Type (continued)
Signaling Type
V
Signaling Type
II
Signaling Type
IJumper
Position 1-2Position 2-3Position 1-2JP2Port 1
Position 1-2Position 2-3Position 2-3JP10
Position 1-2Position 2-3Position 1-2JP3Port 2
Position 1-2Position 2-3Position 2-3JP11
Position 1-2Position 2-3Position 1-2JP4Port 3
Position 1-2Position 2-3Position 2-3JP12
Position 1-2Position 2-3Position 1-2JP5Port 4
Position 1-2Position 2-3Position 2-3JP13
Position 1-2Position 2-3Position 1-2JP6Port 5
Position 1-2Position 2-3Position 2-3JP14
Position 1-2Position 2-3Position 1-2JP7Port 6
Position 1-2Position 2-3Position 2-3JP15
Position 1-2Position 2-3Position 1-2JP8Port 7
Position 1-2Position 2-3Position 2-3JP16
The rear transition board uses two RJ-21 25-pair Telco connectors labeled A and B to
interface the audio and control connections for eight E&M channels.
NOTE: Because of space limitations, a 180º RJ-21 connector is required. The
CTP 4WE&M RTM supports clips to secure the RJ-21 cable connections to
the RTM.
The R1/T1 pair and the R/T pair are the audio inputs and outputs of each port, respectively.
For example, the audio input pair for port 0 is R1 and T1 on pins 2 and 27 of connector A.
The audio output pair for port 0 is R and T on pins 1 and 26.
See Table 4 on page 17 for signal definitions. See “CTP2000 4WE&M Interface Connector
Pinouts” on page 43 for the connector A and B pinouts.
Copyright © 2017, Juniper Networks, Inc.16
CTP2000 Hardware Documentation
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