21(+1) Channel E1 Short Haul LIU
Line Interface Unit 2.048Mbps E1 Short Parallel/Serial 640-Pin BGA Tray
PBGA-640, Tray
Line Interface Unit 2.048Mbps E1/J1/T1 Short Parallel/Serial 640-Pin BGA Tray
PCM Transceiver, 1-Func, PBGA640, 31 X 31 MM, PLASTIC, TEBGA-640
High-Density E1 Line Interface Unit 640-Pin BGA
IC Line Interface Unit 640BGA