特性 Features

Terminal IOM?-2 terminal specific version of the PEB 2086:

● Pin and software compatible to PEB 2086

● Compatible to PEB 2085 (Symmetrical Receiver)

● Full duplex 2B+D S/T interface transceiver according to CCITT I.430

● Conversion of the frame structure between the S/T interface and IOM-2

● Receive timing recovery

● D-channel access control

● Activation and deactivation procedures with automatic wake-up from power-down state

● Access to S and Q bits of S/T interface

● Adaptively switched receive thresholds

● Support of LAPD protocol

● FIFO buffer (2 x 64 bytes) for efficient transfer of D-channel packets

● 8-bit microprocessor interface, multiplexed or non-multiplexed

● Serial interface: IOM-2 interface including bit clock and strobe signal

● Implementation of IOM-2 MONITOR and C/I-channel protocol to control peripheral devices

● Microprocessor access to B- and intercommunication channels

● Watchdog timer

● Advanced CMOS technology

● Low power consumption: standby: 8 mW; active: 80 mW