DS26521

Single T1/E1/J1 Transceiver

Single-Port T1/E1/J1 Transceiver Is a Single-Chip Framer and LIU Combination for T1, E1, and J1 Applications

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Part Details

Complete T1, E1, or J1 Long-Haul/Short-Haul Transceiver (LIU plus Framer)
Internal Software-Selectable Transmit- and Receive-Side Termination for 100Ω T1 Twisted Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75Ω E1 Coaxial Applications
Crystal-Less Jitter Attenuator can be Selected for Transmit or Receive Path; Jitter Attenuator Meets ETS CTR 12/13, ITU-T G.736, G.742, G.823, and AT&T Pub 62411
External Master Clock can be Multiple of 2.048MHz or 1.544MHz for T1/J1 or E1 Operation; This Clock is Internally Adapted for T1 or E1 Usage in the Host Mode
Receive-Signal Level Indication from -2.5dB to -36dB in T1 Mode and -2.5dB to -44dB in E1 Mode in Approximate 2.5dB Increments
Transmit Open- and Short-Circuit Detection
LIU LOS in Accordance with G.775, ETS 300 233, and T1.231
Transmit Synchronizer
Flexible Signaling Extraction and Insertion Using Either the System Interface or Microprocessor Port
Alarm Detection and Insertion
T1 Framing Formats of D4, SLC-96, and ESF
J1 Support
E1 G.704 and CRC-4 Multiframe
Controlled by 8-Bit Parallel Port Interface or Serial Peripheral Interface (SPI)