Filter
Top Products
Pin Mnemonic Signal Name Description
20 DTR Data
Terminal
Ready
Used to control switching of the DCE to the
communication channel.
21 Not
connected
None.
22 Not
connected
None.
23 Not
connected
None
24 TXC Terminal
Clock
Generated by the DTE to provide timing
information to the DCE. Used only in
synchronous mode and only when the driver
requests a locally generated clock. Otherwise,
TXC echoes the modem-generated clock. The
falling edge of the clock corresponds to the
center of the data bit transmitted on TXD.
25 Not
connected
None.
A.3 Reference for the Twisted-Pair Ethernet
(TPE) Connector
The twisted pair Ethernet (TPE) connector is a RJ-45 type connector located on the
main logic board back panel.
Connect only TPE cables into the TPE connector.
Connector Signal Descriptions 235