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CTP Access Cable
CTP Access Cable
CTP Cable
Connector and
Pinout
B-2
Use the supplied RJ45/DB25 cable to connect to the CTP Port (Port 4) and perform
CTP operations such as coldloading software images into a PathBuilder S21x switch.
Port 4 is a DCE. This table identifies the pinout for this RJ-45 connector:
RJ45 Pin
1 (not connected)
2
3
4 (not connected)
5
6
7
8 (not connected)
Signal
Request To Send (RTS)
DTE Ready (DTR)
Received Data (RXD)
Data Carrier Detect (DCD)
Signal Ground
Transmitted Data (TXD)
Data Set Ready (DSR)
Clear To Send (CTS)
Pin Connection
on DB25F
Adapter
4
20
3
8
7
2
6
5
PathBuilder S21x Switch Cabling
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