4B3T U INTERFACE CIRCUIT
STMicroelectronics
2B1Q U INTERFACE DEVICE
STMicroelectronics
ISDN U-INTERFACE TRANSFORMERS
Pulse Electronics
U-Interface 2B1Q Transceiver
Agere -> LSI Corporation
ISDN U Interface Transformers
Unspecified
ISDN U Interface (TCM mode)
Yamaha Corporation
Digital Subscriber Interface Circuit, Digital Network Interface Circuit
Mitel Networks
Line Interface Circuit ( Rev : 1995 )
Mitel Networks
WLAN INTERFACE CIRCUIT
Zarlink Semiconductor Inc
HDD Interface Circuit
Hitachi -> Renesas Electronics
