Paradyne 9126 User Manual page 431

Cisco 7000 Series Router – DB25 Plug
3COM Router – DB9 Socket
9128-A2-GB20-80
COM Port
Signal RJ45 Pin #
DCE Receive Data 2
(RXD)
DCE Signal Ground 3
(SG)
DCE Transmit Data 4
(TXD)
DCE Data Terminal 5
Ready (DTR)
DCE Carrier Detect 6
(CD)
DCE Request to 7
Send (RTS)
COM Port
Signal RJ45 Pin #
DCE Receive Data 2
(RXD)
DCE Signal Ground 3
(SG)
DCE Transmit Data 4
(TXD)
DCE Data Terminal 5
Ready (DTR)
DCE Carrier Detect 6
(CD)
DCE Request to 7
Send (RTS)
September 2002
E. Connectors, Cables, and Pin Assignments
Direction DB25 Pin #
From DTE 3
— 7
To DTE 2
To DTE 20
To DTE 8
To DTE 4
Direction DB25 Pin #
From DTE 2
— 5
To DTE 3
To DTE 4
To DTE 1
To DTE 7
AUX Port
Signal
DTE Receive Data
(RXD)
DTE Signal Ground
(SG)
DTE Transmit Data
(TXD)
DTE Data Terminal
Ready (DTR)
DTE Carrier Detect
(CD)
DTE Request to
Send (RTS)
AUX Port
Signal
DTE Receive Data
(RXD)
DTE Signal Ground
(SG)
DTE Transmit Data
(TXD)
DTE Data Terminal
Ready (DTR)
DTE Carrier Detect
(CD)
DTE Request to
Send (RTS)
E-9