E. Connectors, Cables, and Pin Assignments
E-8 September 2002 9128-A2-GB20-80
3COM Router DB9 Socket
The following tables provide the pin assignments for connecting the FrameSaver
SLV9128-II NAMs 8-position communication port to various router auxiliary (AUX)
or console ports using standard cables.
Cisco 2500 Series Router RJ45 Jack
COM Port
Direction
ConsolePort
Signal DB25 Pin# DB9 Pin # Signal
DCE Transmit Data
(TXD) 2 ToDTE 3 DTE Transmit Data
(TXD)
DCE Receive Data
(RXD) 3 From DTE 2 DTE Receive Data
(RXD)
DCE Request to
Send (RTS) 4 To DTE 7 DTE Request to
Send (RTS)
DCE Signal Ground
(SG) 75 DTE Signal Ground
(SG)
DCE Carrier Detect
(CD) 8 To DTE 1 DTE Carrier Detect
(CD)
DCE Data Terminal
Ready (DTR) 20 ToDTE 4 DTE Data Terminal
Ready (DTR)
COM Port
Direction
AUX Port
Signal RJ45 Pin# RJ45 Pin # Signal
DCE Receive Data
(RXD) 2 From DTE 6 DTE Receive Data
(RXD)
DCE Signal Ground
(SG) 34, 5 DTE Signal Ground
(SG)
DCE Transmit Data
(TXD) 4 ToDTE 3 DTE Transmit Data
(TXD)
DCE Data Terminal
Ready (DTR) 5 To DTE 2 DTE Data Terminal
Ready (DTR)
DCE Request to
Send (RTS) 7 To DTE 1 DTE Request to
Send (RTS)