External Options; Pesu Installation - Toshiba STRATA DK14 Installation And Maintenance Manual

Universal Slot PCBs
PCB Chapter Layout

External Options

Note
PESU Configuration to Support Door Phone/Lock Control Unit (HDCB)
1. Cut the W9 door phone jumper wire on the PESU PCB.
2. See
HDCB and associated door phones (MDFBs) and door lock control.
3. Each HDCB requires dedicated use of circuit 5 of a particular PESU PCB.
PESU Configuration to Support Background Music (BGM) Source
1. Cut the W7 (BGM) jumper wire on the PESU.
2. Refer to
PESU Configuration for Square Wave Ring Generator
➤
Ensure the P90 jumper plug is set to the "H" (190V P-P) position for initial installation. The
"L" (130V P-P) position is used if devices connected to the PSTU1 or PSTU2 experience ring
trip.

PESU Installation

1. Make sure that the PESU subunit (ESTS) is securely attached to the PESU
WARNING! The protective shield on the back of the PESU is designed to protect the
2. Ensure the PESU has been configured for the appropriate hardware options.
Indicators, and Connectors" on Page
3. Insert the PESU into the appropriate slot, and apply firm, even pressure to ensure proper
mating of connectors.
CAUTION!
4. After installing the PESU, gently pull it outward. If the connectors are properly mated, a slight
resistance will be felt.
9-18
Refer to Chapter 11 – Station Apparatus
following upgrades: HVSU2 or HVSU/HVSI for Off-hook Call Announce and HHEU for
headset and/or Loud Ringing Bell interface), standard telephones, and HDCBs to the
PESU. See Chapter 12 – Peripheral Installation
"Door Phone/Lock Programming" on Page 11-31
Chapter 12 – Peripheral Installation
installer from potentially hazardous ring voltage. Do not remove this shield.
To prevent system malfunction, DO NOT install the PESU in slot 18 of the
DK40i system.
to connect electronic telephones (including the
to connect peripherals.
for installation procedures for the
for BGM installation procedures.
9-19.
(Figure 9-8).
"PESU Controls,
Strata DK I&M 6/00