Amber - Alarm condition exists on the remote end of one of the T1/E1 ports.
To configure the card type, use the card type command in global configuration mode. To
restore the default value, use the no form of this command.
card type {t1 | e1} slot [bay]
no card type {t1 | e1} slot [bay]
Syntax Description
t1 - Specifies T1 connectivity of 1.544 Mbps through the telephone switching network, usingAMI or B8ZS coding.
e1 - Specifies a wide-area digital transmission scheme used predominantly in Europe that
carries data at a rate of 2.048 Mbps.
Slot - Slot (port) number of the interface.
bay (Optional) Card interface bay number in a slot (route/switch processor [RSP] platformonly). This option is not available on other platforms.
http://www.cisco.com/en/US/docs/ios/12_4/12_4x/12_4_11xw/fmt1e1ic.html#wp1054923