SM3E
ULTRA MINIATURE
STRATUM 3E MODULE
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Application
The SM3E Timing Module is a
complete system clock module for
Stratum 3E timing applications and
conforms to GR-1244-CORE
(Issue 2), GR-253-CORE (Issue
3) and ITU-T G.812 (Option 3).
Applications include shared port
adapters, data digital cross
connects, ADM's, DSLAM's,
multiservice platforms, switches
and routers in TDM, SDH and
SONET environments.
The SM3E Timing Module
guarantees full Stratum 3E
compliance with a minimum of
effort and cost in the smallest
complete package available.
Features
Small Package Size,
2.05 x 1.25 x 0.75 inches
Eight Auto Select Input
References,
8 kHz - 77.76 MHz
Phase Buildout
Hitless Reference Switching
Better than 1ppb initial
Hold Over offset
Frequency Qualification and
Loss of Reference detection
for each input
Master/Slave Operation with
Phase Adjustment
Manual/Autonomous
Operation
Bi-Directional SPI Port
Control and Status
Reporting
Three CMOS Frequency
Outputs - Output1 from
1.544 - 77.76MHz, M/
S_Out@8KHz, BITS
@2.048 MHz or 1.544 MHz
3.3V operation
Bulletin
Page
Revision
Date
Issued By
TM054
1 of 36
02
07 Nov 08
ENG