User's Manual

DEC. 2011—EFT REVIEW DRAFT—CISCO CONFIDENTIAL
2-23
Cisco 1240 Connected Grid Router Hardware Installation Guide
OL-12345-01
Chapter 2 Router Hardware Description
Hardware Features Detailed Description
Specifications
Serial Ports
Note Currently not supported. This hardware feature will be supported in a future software release.
Figure 2-17 Router Serial Ports
The router has two serial ports that support the following modes (selected with system software
commands):
• RS232
• RS422
• RS485
The ports are labeled as follows (see Figure 2-17):
• SER 1/1
• SER 1/2
Specification Description
Connector type
RJ-45 (Copper mode)
Cables
Optical fiber
Category 5, 5e, 6 UTP
Interface speed
100BASE-TX and 1000BASE-T
Time stamp
IEEE 1588
Pinouts
See Connector and Cable Specifications