3-41
Cisco 7200 VXR Installation and Configuration Guide
OL-5013-09
Chapter 3      Installing a Cisco 7200 VXR Router
Connecting Power
Note When connecting to an auxiliary port on a Cisco 7200 VXR router, the port will not function at baud 
rates higher than 19.2k. If the baud rate on the connecting device is set higher than 19.2k, either garbled 
text or nothing will be displayed on the screen
Connecting Power
This section provides the procedures for connecting AC-input and DC-input power to your Cisco 7200 
VXR router.
Warning
This unit might have more than one power cord. To reduce the risk of electric shock, disconnect the 
two power supply cords before servicing the unit. 
Statement 14
Note Detailed instructions for handling and replacing the Cisco 7200 VXR power supplies are contained in 
the 280-Watt AC Power Supply Replacement Instructions and 280-Watt DC-Input Power Supply 
Replacement Instructions documents. These documents are available on the Documentation DVD and 
on Cisco.com.
Warning
The AC power supply has double pole/neutral fusing. 
Statement 188
5 GND — Signal Ground
6 RXD In Receive Data
7
3
DSR/DCD
(RLSD)
In Data Set Ready/Data Carrier Detect 
(Receive Line Signal Detect)
8 CTS In Clear To Send
1. Any pin not referenced is not connected.
2. RING is not supported on Cisco-supplied adapters. To use this pin, you must create a customized 
cable.
3. Pin 7 can be used as a DCD input for connection to a modem. The RJ-45-to-DB-25F adapter maps 
DCD to this pin when the adapter is used with a straight-through cable. (See 
Table 3-16.)
Table 3-19 Auxiliary Port Signals for NPE-G2, NPE-G1 and C7200-I/O-2FE/E and C7200-I/O-GE+E
 
 (continued)
Pin
1
Signal Direction Description