1)
E1/T1 indicator is still dull after the corresponding E1/T1 port has been connected to an E1/T1 cable.
A. If the E1/T1 port is directly connected to a peer device with a standard RJ48C E1/T1 cable, please
check whether the peer device is equipped with standard RJ48C interface first, and then check whether
the wire sequence of E1/T1 cable is correct or nor.
B. If the E1/T1 port is connected to a switch with E1/T1 cable and coaxial line, please check whether
the connector of BNC transit box works well or not, and then check whether RX end and TX end are
connected properly.
C. Exchange the E1/T1 cable with that of another E1/T1 port that works normally, so as to confirm
whether the E1/T1 port malfunctions.
2
）
E1/T1 indicator flashes after the corresponding E1/T1 port has been connected to an E1/T1 cable .
A. E1/T1 indicator flashes intermittently
This phenomenon is caused by error code. Please log into the WEB interface to modify the frame mode
of the E1/T1 port. If the E1/T1 indicator still flashes slowly, it means there are error codes in the link.
Please contact service provider to check this problem.
B. E1/T1 indicator flashes fast
This phenomenon occurs as E1/T1 physical link is blocked. In this case, the trunk gateway cannot
receive any data from the peer device. Please contact service provider to check this problem.
3
）
Forget the IP address of MTG1000
Connect the trunk gateway’s console port to a PC via an RS232 console cable. After entering in the
command interface, input ‘show int’ under the ‘ROS#’ mode to query the current IP address of
MTG1000.
4
）
Forget username and password
Connect the trunk gateway’s console port to a PC via an RS232 console cable, and then ask for online
technical support.
Trouble Shooting
15
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