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BRTS-100 ISDN TEST SET
b. If the Red Test Status light goes on, the terminals’ wires are crossed—
pin 3 of terminal is electrically connected to pin 6 of the other
terminal. At this point, you should check the wiring of both terminal
A and terminal B.
10. Repeat steps five through eight until all ports on the bus have been
checked.
Figure 4-9. Pair reversal flow chart (1 of 2).
A
PB2
TRANSMIT,
INITIATE
GREEN LIGHT
SHOULD BE ON
UNPLUG ALL
(IF ANY) TERMINALS
FROM BUS
PUT BRTS-100 (A)
ON FIRST PORT ON
BUS, UNTERMINATED
Assume LINE TEST passe
independently on every port.
Test Set should be in
NORMAL mode