Com port-to-router cables, In appendix c, Connectors, cables, and pin – Paradyne 9128-II User Manual
Page 362: Assignments
C. Connectors, Cables, and Pin Assignments
C-6
April
2002
9128-A2-GB20-60
COM Port-to-Router Cables
The following tables provide the pin assignments for connecting the 1-slot
FrameSaver unit’s 25-position communication port to various router auxiliary
(AUX) or console ports using standard cables.
Cisco 2500 Series Router – RJ45 Jack
Cisco 7000 Series Router – DB25 Plug
COM Port
Direction
AUX Port
Signal
DB25 Pin #
RJ45 Pin #
Signal
DCE Transmit Data
( TXD)
2
To DTE
3
DTE Transmit Data
( TXD)
DCE Receive Data
( RXD)
3
From DTE
6
DTE Receive Data
( RXD)
DCE Request to
Send (RTS)
4
To DTE
1
DTE Request to
Send (RTS)
DCE Clear to Send
(CTS)
5
From DTE
8
DCE Clear to Send
(CTS)
DCE Data Set
Ready ( DSR)
6
From DTE
7
DCE Data Set
Ready ( DSR)
DCE Signal Ground
( SG)
7
—
4, 5
DTE Signal Ground
( SG)
DCE Data Terminal
Ready (DTR)
20
To DTE
2
DTE Data Terminal
Ready (DTR)
COM Port
Direction
AUX Port
Signal
DB25 Pin #
DB25 Pin #
Signal
DCE Transmit Data
( TXD)
2
To DTE
2
DTE Transmit Data
( TXD)
DCE Receive Data
( RXD)
3
From DTE
3
DTE Receive Data
( RXD)
DCE Request to
Send (RTS)
4
To DTE
4
DTE Request to
Send (RTS)
DCE Signal Ground
( SG)
7
—
7
DTE Signal Ground
( SG)
DCE Carrier Detect
(CD)
8
To DTE
8
DTE Carrier Detect
(CD)
DCE Data Terminal
Ready (DTR)
20
To DTE
20
DTE Data Terminal
Ready (DTR)