Toshiba Strata DK 280 Installation Manual page 144

are each assigned a port in system programming.
Note:
For the system to recognize the DTMF tones
generated by a standard telephone (or any
other device connected to a standard
telephone port), a DTMF receiver unit
common control unit (RCTUA, RCTUB,
RCTUBA, or RCTUC/D).
Electronic telephones can be connected to any of the
PESU electronic telephone circuits. The HDCB can
only be connected to circuit 5 associated with Ports
004, 012, 020 and 028. The BGM source can only be
connected to circuit 8 of a PESU. Standard telephones
and other devices that can be connected to the PESU
standard telephone circuits can be connected to any
of these circuits.
PESU controls and interface connectors are shown in
Figure 4-22 and described in Table 4-15.
4.8.1 PESU Hardware Options
The PESU supports the following hardware options:
Internal Option
Speaker Off-hook Call Announce Unit (EOCU)
Install the EOCU in accordance with the following
steps:
1. Remove the PESU and the EOCU from their
protective packages.
Note:
P60 are positioned to allow installation of the
EOCU only in the proper position.
2. Mate the EOCU connectors JIO, J20, J40, J50,
and J60 (Figure 4-17) with the PESU connectors
3. Apply firm, even pressure to the EOCU to ensure
proper mating of connectors.
4. Use three-pair cable for connecting the PESU and
the Speaker OCA electronic telephone. Refer to
Chapter 7- Wiring Diagrams for wiring/
interconnecting details.
5. Refer to Section 5.2 of Chapter 5- Station
Apparatus for procedures to add required speaker
4-30
OCA upgrade (HVSU2 or HVSU/HVSI) t o
electronic telephones.
External Options
Note:
Refer to Chapter 5-Station Apparatus to
connect electronic telephones (including the
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 6-Peripheral Installation
to connect peripherals.
Wire
Configure the PESU to support an HDCB in
accordance with the following steps:
2. Cut the W9 door phone jumper wire on the PESU
PCB.
Refer to Section 5.2 of Chapter 5-Status
3.
Apparatus for installation procedures for the
HDCB and associated door phones (MDFBs) and
door lock control.
4. Each HDCB requires dedicated use of circuit 5 of
a particular PESU PCB.
Configure the PESU to support a separate
background music source in accordance with the
following steps:
packaging.
2. Cut the W7 (BGM) jumper wire on the PESU.
3. Refer to Chapter 6-Peripheral Installation for
BGM installation procedures.
Configure the PESU ring generator for 130V P-P or
2. Ensure the P90 jumper pIu9 is set to the "H" (1 9OV
P-P) position for initial installation. The
January 1996