
NetLink offers the popular
ADTRAN MX2820 Mux Card for use in the MX2820 Chassis. The
1186002L1 MX2820 supports FLASH download data available from SCU and provides near and far end DS3 PM.
The Hot Swappable MX2820 Mux Card detects DS3 alarm and loopback conditions and monitors DS3 line conditions and sends alarms to SCU as they occur. The ADTRAN 1186002L1 accepts local or network timing modes and each pair of the MX2820 Mux Cards offers 1:1 equipment redundancy on DS3 and DS1 signals.
The MX2820 Mux cards can combine independent T1/E1s or T1/E1s on the same DS3. Testing capabilities include CSU loopback tests, NIU loopbacks, C-bit loopbacks and BERT. Datasheet.