ZL81000
Description
ZL81000 provides two DS1/E1/2048kHz transceivers (transmitters plus receivers) specifically designed for BITS/SSU timing in carrier-class telecommunications equipment. Each transceiver provides full support for DS1, E1 and G.703 2048kHz synchronization signals in and out and includes SSM message insertion and extraction.
Key Features
- Receive and transmit DS1, E1, 2048 kHz, and 6312 kHz timing signals
- Insert and extract SSM messages (DS1, E1)
- DS1 SF or ESF formats
- E1 FAS, CAS and/or CRC-4 framing
- J1 support (DS1 with Japanese CRC-6 & RAI)
- Short-haul and long-haul line interfaces
- Internal software-selectable termination (75, 100, 110, or 120) or external termination
- High-impedance receive inputs and transmit outputs for no-relay redundancy
- Local and remote loopbacks
- Jitter attenuator with configurable buffer depth, can be inserted into Tx path or Rx path
