SM3-IT
ULTRA MINIATURE
STRATUM 3 MODULE
2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630- 851- 4722
Fax: 630- 851- 5040
www.conwin.com
Application
Features
The SM3-IT Timing Module is a
complete system clock module for
Stratum 3 timing applications and
conforms to GR-1244-CORE (Issue 2),
GR-253-CORE (Issue 3), ITU-T G.812
(Type 3) and ITU-T G813 (Option 2).
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 SM3-IT Timing Module helps
reduce the cost of your design by
minimizing your development time and
maximizing your control of the system
clock with our simplified design.
• Industrial Temp. Range (-40
to 85°C)
• Small Package Size, 1.45 x
1.0 x 0.535 inches
• Four Auto Select Input
References, 8 kHz - 77.76
MHz
• Frequency Qualification and
Loss of Reference detection
for each input
• Master/Slave Operation with
Phase Adjustment
• Manual/Autonomous
Operation
• Bi-Directional SPI Port
Control
• Three CMOS Frequency
Outputs - Output1 from
12.96 - 77.76 MHz, M/S
Output @ 8kHz, BITS
@2.048 MHz or 1.544 MHz
Bulletin
Page
Revision
Date
Issued By
TM064
1 of 32
02
07 NOV 08
ENG
• 3.3V operation
