Bus Terminator Circuit Pack; General Description; Replacing Bus Terminator Circuit Pack - Northern Telecom BCS35 Replacement Manual

Bus terminator circuit pack

General description

The bus terminator circuit pack, in slot 14 of the A and B chassis, contains a
power regulator. This regulator provides circuitry to terminate the end of the
bus which prevents ringing (oscillation) of signals on the bus.
See Table 11–1 for the option settings on this circuit pack. Figure 11–1
shows the circuit pack layout.

Replacing Bus terminator circuit pack

First identify the failing circuit pack to determine which processor (A or B)
is off–line. See the following procedure for replacing this pack.
DPP Card Replacement Guide BCS35 and up
95