Qrcu Configuration; Qrcu Installation Procedure - Toshiba strata DK8 Installation Instructions Manual

INSTALLATIONGK8 KSU 81 PCB
SECTION 100-816-204
MARCH 1993
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FlGURE4-10
QSTUCONTROLSANDINTERFACECONNECTORS
ated by a standard telephone (or any other device
connected to astandard telephonecircuit (QSTU)),
and it is required for Direct inward System Access
(DISA) calls. The QRCU circuits are also used to
detect busy tone for the Automatic Busy Redial
(ABR) feature and must be installed to allow ABR
to operate.
9.02 The QRCU is shown in Figure 4-l 1.
9.10 QRCU Configuration
9.11 The QRCU does not have to be configured for
operation.
9.20 QRCU Installation Procedure
9.21 Install the QRCU in accordance with the
following steps (Figure 4-7).
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