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5-14
SECTION 5
TEST RESULTS
Table 5-1
Signal Level Test Locations
Location
Typical
Signal
Level
Description
Mid-span repeater
Input
(SIDE1/SIDE1
IN)
-25 dBdsx to -30 dBdsx
Input
signal
range
for
regeneration.
Output (SIDE1/SIDE2 OUT)
0
dBdsx
Output signal level after regeneration.
DSX-1
monitor
jack
-20
dBdsx
Signal level expected after 430 ohm isolation resistors.
Distribution frame
-15
dBdsx
Signal level needed when circuit is looped for regen-
eration at first repeater.
N
IU
-15
dBdsx
Signal energy needed when circuit is looped for regen-
eration at last repeater.
C
S
U
-15
dBdsx
Signal energy needed when circuit is looped for regen-
eration at last repeater.
Содержание T-BERD 107A
Страница 81: ...SECTION 3 3 42 INSTRUMENT DESCRIPTION ...
Страница 203: ...6 20 SECTION 6 PRINTER OPERATION ...
Страница 239: ...C 18 STRESS PATTERNS APPENDIX C ...
Страница 249: ...INTELLIGENT APPENDIX D NETWORK EQUIPMENT D 10 ...
Страница 261: ...INDEX T BERD 107A INDEX 12 ...