B-2
Cisco 1240 Connected Grid Router Hardware Installation Guide
OL-26223-04
Appendix B Connector and Cable Specifications
Connector Specifications
Console Port
For detailed information about the console port, see the
“Router Hardware Description”
chapter.
Copper Interface—Combination Port (SFP and GE Ethernet)
For detailed information about the combination ports, see the
“Router Hardware Description”
chapter.
SFP Interface—Combination Port (SFP and GE Ethernet)
For detailed information about the combination ports, see the
“Router Hardware Description”
chapter.
Table B-2
Console/Auxiliary Port Specification
Pin
Signal Name
Signal Description
1
RTS
Output
2
DTR
Output
3
TXD
Output
4
GND
–
5
GND
–
6
RXD
Input
7
DSR/DCD
Input
8
CTS
Input
Table B-3
Combination Port Specification —Copper Interface
Pin
1000Base-T
100Base-TX/10Base-T
1
TX A+
TX DATA+
2
TX A-
TX DATA-
3
RX B+
RX DATA+
4
TX C+
N/C
5
TX C-
N/C
6
RX B-
RX DATA-
7
RX D+
N/C
8
RX D-
N/C
Table B-4
SFP Port Specification
Pin
Signal Name
Input/Output
Signal Description
1
VeeT
–
GND
2
TxFault
Output
Optical output failure
3
TxDisable
Input
Optical output disable
4
MOD-DEF(2)
Bidir
Bidirectional. Connects to I2C data
5
MOD-DEF(1)
Input
Connects to I2C Clock