Toshiba Strata AirLink DK280, Installation Manual

Page: 137 / 878

Follow these steps to configure the PEKU to support a
separate BGM source.
1. Remove the PCB from its protective packaging.
2. Cut the W5 (BGM) jumper wire on the PEKU PCB.
3.
Refer to Chapter 6-Peripheral Installation for
installation procedures for BGM connection.
4. In Program 10-2, set LED 09 on to enable the
PEKU (Port 002) BGM source to be sent to digital
and electronic telephone speakers and/or PIOU,
PIOUS, PEPU Use Program 19 to identify
the slot in which the PEKU supporting the BGM
source will be installed.
4.5.2 PEKU Installation Procedures
Install the PEKU in accordance with the following
steps:
Remove
the PCB from its protective packaging.
2. Ensure the PEKU has been configured for the
appropriate hardware options (refer to Subsection
4.4.1).
Note:
Ensure the
component side is facing
right when installing it in the KSU.
3. Insert the PEKU into the appropriate slot, and
apply firm, even pressure to ensure proper mating
of connectors.
4.
After installing the PEKU, gently pull the PCB
outward.
If the connectors are properly mated, a
slight resistance will be felt.
4.5.3 PEKU Wiring
Refer to Chapter 7-Wiring Diagrams for PEKU
details.
4.5.4 PEKU Programming Overview
The following programming parameters may be
specified for the PEKU:
Program 03
Specify Code 21 to indicate a non-optioned station
line PEKU.
Specify Code 22 to indicate a PEKU configured for
Speaker OCA.
Specify Code 23 to indicate a PEKU configured
for
an HDSS console.
Specify Code 24 to indicate a PEKU for
Speaker OCA and an HDSS console.
Door phones, the BGM source connection, and
external amplifiers do not require a special code.
Note:
If there are no PEKU options, Program 03 can
be skipped, and Program
91
can be run
instead.
Programs 10-2 and 19-BGM connection.
Programs 1 external amplifiers to ports.
Programs 28 and 29-HDSS console assignments.
Programs 77-1, 77-2, 79-HDCB and door phone
ringing assignments.
4.6
Standard Telephone Interface
Unit (RSTU
and PSTU, Versions 1
The RSTU and the PSTU both provide an interface
between standard telephones,
a
BGM source, voice
mail machines, fax machines, modems, and other
wire (one-pair) devices and the system. Each
RSTU
and PSTU adds eight standard telephone lines to the
system. There are two versions of the PSTU: the
and the These two PSTU versions
and the RSTU are identical except for the distinctions
noted as follows. Only one telephone (or device) can
be connected to a PSTU (1 or 2) or RSTU (1 or 2)
port.
If more than one telephone or device is
connected to a port, ringing or Message Waiting may
not function.
and The itself comes in
two versions. V.3 and V.4. The original V.3 version
of the
has a square wave ring generator
that is fixed at P-P, while the later V.4
version has a square wave ring generator that can
be set at
P-P or 130V P-P with the
jumper. The also has P-P or
P-P jumper.
Note:
Most standard telephones
a n d two-wire
devices require the P-P level; however,
some devices may experience ring-trip with
P-P and should be set for 130V P-P.
January 1996 4-23