Qrcu Wiring; Qrcu Programming Overview; Conference Circuits (Qcnu); General - Toshiba Strata DK 16 Installation And Maintenance Manual

DK8RCU1A
FIGURE 4-11

QRCU INTERFACE CONNECTORS

following steps (Figure 4-7).
1) Remove the PCB from its protective packag-
ing.
2) Make sure that the power supply switch is
OFF.
3) Align and insert QRCU connectors J1 and J2
into motherboard connectors J15 and J16
respectively (note the component side place-
ment in Figure 4-7), and apply firm, even
pressure to ensure proper mating of connec-
tors. Push down until connectors lock together.

9.30 QRCU Wiring

9.31 The QRCU does not require any wiring.

9.40 QRCU Programming Overview

9.41 The following parameters may be specified:
Program 12
•
Set QRCU release time.
Program 15
•
Sets QRCU operation after CO line flash.

10 CONFERENCE CIRCUITS (QCNU)

10.00 General

10.01 The QCNU provides two conference circuits
which allow two simultaneous conferences (one
V.1
J1
4-15
INSTALLATION-DK8 KSU & PCB
J2
four-party and one three-party). The QCNU is stan-
dard and is installed at the factory. If it is necessary
to remove and replace the QCNU, turn the system
off, remove the QCNU, and install another QCNU
per paragraph 10.20.
10.02 The QCNU is shown in Figure 4-7.

10.10 QCNU Configuration

10.11 The QCNU does not have to be configured
for operation.

10.20 QCNU Installation Procedure

10.21 Install the QCNU in accordance with the
following steps (Figure 4-7):
1) Remove the PCB from its protective packag-
ing.
2) Make sure that the power supply switch is
OFF.
3) Align and insert QCNU connectors J1 and
J2 into motherboard connectors J17 and
J18 respectively, and apply firm, even pres-
sure to ensure proper mating of connectors.
(Note the side with "
on it should be positioned as shown in Fig-
ure 4-7.)

10.30 QCNU Wiring

10.31 The QCNU does not require any wiring.
SECTION 100-816-204
MARCH 1993
RIGHT" silkscreened