Accept A New E1 Circuit - VeEX MTT-14B User Manual

MTT-14B e_Manual D07-00-083P RevA00

3.5 Accept a New E1 Circuit

STU
Exchange
Figure 48 Accept a New E1 Span
1. Verify that the span is not in service. This acceptance test will
disrupt service. There must be a loopback device at the far
end.
2. From the module main menu, select TEST CONFIGURATION
and configure as follows:
MODE: STUC E1, STUR E1, or E1
Tx SOURCE: TESTPAT
FRAMING: As specified by the circuit design.
CRC-4: As specified by the circuit design.
TEST RATE: 2.048M
Rx PORT: TERM
TX CLOCK: INTERN
When finished, press ENTER.
3. From the module main menu, select TEST PATTERN and select
the desired test pattern. When finished, press ENTER.
4. Connect the test set to the circuit as shown in Figure 48 and
press HISTORY to acknowledge any blinking LEDs. Verify that
the PAT SYNC LED is green.
5. From the module main menu, select E1 MEASUREMENT,
press START (F3) and verify that the circuit performs to your
company's requirements for the service delivered. Use PAGE-
UP (F1) and PAGE-DN (F2) to access each of the individual
measurement screens.
6. When finished, press ESC to return to the module main menu
and remove the loop at the far end of the circuit.
Customer
Premises
MON
Loopback
Device
OUT
IN
Page 72 of 101