Lucent Technologies DEFINITY Installation For Adjuncts And Peripherals page 158

DEFINITY ECS Release 8.2
Installation for Adjuncts and Peripherals 555-233-116
11 Stratum 3 Clock
Set Clock Options
Table 18. ST3 Clock Board Option Switch Settings
Switch
SW1
Minor alarm
control
SW2
Major Alarm
Control
NOTE:
Only SW 1 and SW2 are used. SW1 controls the output of alarm signals
from the Stratum 3 Clock board.
3. Set the options on the Composite Clock Timing Output Board (TOCA) per
Table
4. Set the Stratum 2/Stratum 3 switch to the STRATUM 3 position.
Table 19. Composite Clock Timing Output Board (TOCA)
Switch
500
OFF
ON
OFF
ON
NOTE:
Set switches 1 and 2 according to the distance from the Stratum 3 clock to
the DEFINITY System. Set switch 3 to ON. Set switch 4 to OFF.
Cabling the Stratum 3 Clock
Figure 43
are made through the yellow field cross-connect. A custom Y-cable (H600-274)
connects the CSU to the DS1 circuit pack and taps off the input for the Stratum 3
Status/Results
OFF = minor alarm never output
ON = minor alarm is output if holdover occurs
OFF = major alarm is output and fail lamp lights if 5 VDC
power is lost and 4 kHz output is lost
ON = major alarm is output and fail lamp lights if 5 VDC
power is lost and 4 kHz output is lost and holdover occurs
19.
Range in feet (meters)
1000 1.0 500
(0.3) (152)
OFF
OFF
ON
ON
shows typical connections to a Stratum 3 Clock cabinet. Connections
1000 1500 2000
(305) (457) (710)
Issue 1
April 2000
136
2500 3000
(772) (914)