2-6
Cisco AS5400 Universal Gateway Chassis Installation Guide
OL-2847-02 0A
Chapter 2 Preparing to Install
Preparing to Connect to a Network
Auxiliary Port
The chassis includes an EIA/TIA-232 asynchronous serial auxiliary port (RJ-45) that supports flow
control. Depending on the cable and the adapter used, this port will appear as a DTE or DCE device at
the end of the cable. Your chassis arrives with a cable and an adapter to connect a modem to the auxiliary
port. To connect a modem to the auxiliary port, use the RJ-45 rollover cable with the male
RJ-45-to-DB-25 adapter (labeled MODEM).
For detailed information about connecting devices to the auxiliary port, see Chapter 3, “
Installing the
Cisco AS5400 and Cisco AS5400HPX Universal Gateways
.” See Appendix C “
Cabling Specifications
”
for cable and port pinouts.
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/DCE) 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 AS5400 and Cisco AS5400HPX Universal Gateways
.” 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 AS5400 and Cisco AS5400HPX Universal Gateways
.” 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 AS5400 and Cisco AS5400HPX Universal Gateways
.” See Appendix C “
Cabling Specifications
”
for cable and port pinouts.
