V180808N
T-APS Users Manual
Page 8
8: SET BUILDOUT (USER)
T1Setting Selections: [
DSX1-1
DSX1-2 DSX1-3 DSX1-4 DSX1-5 -7.5dB -15dB -22dB ]
DSX1-1: 0 to 133 feet
DSX1-2: 133 to 266 feet
DSX1-3: 266 to 399 feet
DSX1-4: 399 to 533 feet
DSX1-5: 533 to 655 feet
-7.5dB CSU
-15dB CSU
-22dB CSU
E1 Setting Selections: [
120Nor
120Hi ]
120 Nor:
120
Ω
Normal Return Loss.
120 Hi:
120
Ω
High Return Loss.
9: SET AUTOMATIC / MANUAL SWITCHING
Selections - [
AUTO
MANUAL ]
AUTO: Once the bit error exceeds the preset threshold value or other connection
failures, the system will automatically switch from Active path to
Protection path.
MANUAL: No automatic switching will occur. Use the selection 5 to perform switching
A: SELECT ACTIVE PATH
Selections -
[
PATH-1
PATH-2 ]
B: ENABLE LOOK-IN MODE
Selections
[ ENABLE
DISABLE ]
T-APS Master and Slave unit will do a checking function to the CPE signal before switching
from active path to the protection path.
Enable: T-APS will be enabled to check CPE signals. In the event of excessive bit errors
from the CPE side to T-APS, T-APS will not perform switching. Enable Look-In may increase
a few mili-second to the switching time.
Disable: T-APS will be disabled to check CPE signals. In the event of excessive bit errors from the CPE to T-
APS, T-APS will perform switching in all events including excessive bit errors from CPE side.
C: SET LCV ALARM RATIO
Set Line Code Violation Error Ratio
Selections:
1E-7 = 1 x 10
-7
5E-6 = 5 x 10
-6
1E-5 = 1 x 10
-5
1E-4 = 1 x 10
-4
