Cisco XM Universal Gateways Cisco AS5400XM - Manual (Page 28)

2-6
Cisco AS5400XM Universal Gateway Chassis Installation Guide
OL-6418-02
Chapter 2 Preparing to Install
Preparing to Connect to a Network
2T Serial Ports
Two high-speed 12-in-1 serial ports on the rear panel of the chassis provide backhaul WAN and IP
support.
The following types of serial interface standards (in DTE or DCE devices) are supported:
• EIA/TIA-232
• EIA/TIA-449
• EIA/TIA-530
• EIA/TIA-530A
• EIA/TIA-X.21
• CCITT V.35
Each port supports up to 8 Mbps.
For detailed information about connecting devices to the serial ports, see Chapter 3, “Installing the
Cisco AS5400XM Universal Gateway.” See Appendix C, “Cabling Specifications,” for cable and port
pinouts.
Alarm Port
The three pins on the alarm port are connected to the output of a relay. This relay is controlled by system
software. With the alarm ports connected and configured, Cisco IOS software polls every one second to
detect the failure events that are configured and turns on the alarm when it detects any failure event.
For detailed information about connecting devices to the alarm port, see Chapter 3, “Installing the
Cisco AS5400XM Universal Gateway.” See Appendix C, “Cabling Specifications,” for cable and port
pinouts.
BITS Port
The BITS port is a coaxial interface that provides external synchronized clocking through a timing signal
generator (TSG).
For detailed information about connecting devices to the BITS port, see Chapter 3, “Installing the
Cisco AS5400XM Universal Gateway.” See Appendix C, “Cabling Specifications,” for cable and port
pinouts.
Power Supply Considerations
Check the power at your site to ensure that you are receiving “clean” power (free of spikes and noise).
Install a power conditioner if necessary.
Warning The device is designed to work with TN power systems. Statement 19