MSTM-S3 Datasheet, PDF (5/6 Pages) List of Unclassifed Manufacturers – STRATUM 3 SIMPLIFIED CONTROL TIMING MODULES

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NETWORK ELEMENT TIMING GENERATOR
STRATUM 3 SIMPLIFIED CONTROL
TIMING MODULES (MSTM-S3)
MSTM-S3
PIN #
1
HOLDOVER
2
REF _1
3
REF_2
4
FRERUN
5
Gnd
6
ALARM_OUT
7
CNTL_A
8
CNTL_B
9
PLL_TVL
10
Gnd
11
SYNC_OUT
12
Gnd
13
CLK_OUT
14
Gnd
15
EX_REF_2
16
Gnd
17
EX_REF_1
18
+5 Vdc
PIN DESCRIPTION
-Output. High when the control inputs select Holdover.
-Ouput. High when the control inputs select EX REF_1.
-Output. High when the control inputs select EX REF_2.
-Output. High when the control input selects Free Run.
-Ground.
-Ouput. =1,If (FRERUN + HOLDOVER + LOS + LOL + PLL_TVL) .
-Mode control input.
-Mode control input.
-Tuning Voltage Alarm. =1 If CAPTURE RANGE NEAR 10% OF EXTREME (~11ppm).
-Ground.
-Syncronized output.
-Ground.
-Stratum 3 TCXO output. (Non-synchronized).
-Ground.
-External Reference #2 Input. (8 KHz)
-Ground.
-Input. External Reference #1 Input. (8 KHz)
+5 Volt DC supply.
NOTES:
NOTES FOR TABLES 1-3
2.0
Holdover stability is the cumulative fractional frequency offset containing Initial Offset, Temperature, and Drift components as described by
Bellcore GR-1244-CORE 5.2.
3.0
Pull-in range is the minimum frequency deviation on the reference inputs to the timing module that can be overcome to pull itself into synchronization
with the reference.
4.0
After 100 seconds at stable room temperature.
5.0
Consult factory for other output frequencies.
6.0
Ref- GR1244-CORE 3.2.1 R3-1.
7.0
A ‘1’ level indicates unit is within the extreme 10% of its operating range tracking the reference (~11ppm). Consult factory for use as a reference
quilifier.
8.0
Add ‘-T2’ to model number.
9.0
Consult factory for power dissipation of -T2 (0 to +70 deg. C.) devices.
INT
Specifications subject to change without notice.
DATA SHEET #: _T_M__0_0_7______ PAGE____5__ OF __6_____ REV:__0_2_____ DATE:___6_/_2_/_9_9____ © Copyright 1999 Connor-Winfield all rights reserved.