XRT8001
WAN Clock for T1 and E1 Systems (Exar Corporation)
XRT8010
312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS (Exar Corporation)
XRT81L27
SEVEN CHANNEL E1 LINE INTERFACE UNIT (Exar)
XRT82D20
SINGLE CHANNEL E1 LINE INTERFACE UNIT (Exar Corporation)
XRT82L24
QUAD E1 LINE TRANSCEIVER (Exar Corporation)
XRT82L24A
QUAD E1 LINE TRANSCEIVER (Exar Corporation)
XRT83D10
SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT (Exar Corporation)
XRT83L30
SINGLE-CHANNEL T1/E1/J1 LH/SH TRANSCEIVER (Exar Corporation)
XRT83L314
14-CHANNEL T1/E1/J1 LONG-HAUL/SHORT-HAUL LINE INTERFACE UNIT (Exar Corporation)
XRT83L34
QUAD T1/E1/J1 LH/SH TRANSCEIVER (Exar Corporation)