The SM3E timing module provides clock outputs that meet or exceed the Stratum 3 specifications of GR-1244-CORE (Issue 2), GR-253-CORE (Issue 3), and ITU-TG. 812 (option 3).The SM3E has 8 reference inputs. Each input will automatically remove the following reference frequency: 8 kHz, 1544 mhz, 2.048 mhz,12.96 mhz, 19.44mhz, 25.92 mhz,38.88 mhz,51.84mhz and 7776 mhz。
Applications:
The SM3E Timing Block is a complete system clock module for Stratum 3E timing applications, compliant with GR-1244-Core (Issue 2), GR-253-Core (Issue) and LTU-T G812 (option 3).Applications include shared port adapters, data digital cross-connects, ADM, DSLAM, multiservice platforms, TDM, SDH, and SONet switches and routers in SONet environments.
The SM3E timing module guarantees full compliance with the requirements of Formation 3 with minimal effort and cost.
Features:
Small package size: 205 " x 1.25 " x 0.75 "
8 auto-select input references, 8 kHz-7776 mhz
Stage building. The non-hit reference switch is better than 1ppb initial hold overoffset.
Frequency characterization and reference detection loss for each input master-slave operation with phase adjustment.
Manual: Autonomous operation of bi-directional SPL port control and status reporting.
Three CMOS frequency outputs - output T1 from 1544 -77.76mhz,ms_out@8khz,bits @2.048 MHz or 1544 mhz
3.3 V operation.
*: LDTEQ