Toshiba Strata DK 24, Installation And Maintenance Manual

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INSTALLATION-TELEPHONE
SECTION 400-096-207
SEPTEMBER 1992
7-16
HDSS consoles:
•
One PEKU PCB is required for each HDSS
console. (The DSS switch on the PEKU must be
set to DSS.)
•
Two PEKU ports are required for the HDSS
console (always Circuits 7 and 8).
•
The PESU does not support HDSS consoles.
•
A maximum of four HDSS consoles are allowed
per system with PCTU1, PCTU2, PCTU3, and
PCTU4. PCTUS will support three.
5.23 HDSS Programming Overview
Program 03
•
Codes 23 and 24 identify slots that support
PEKUs that will interface with HDSS consoles.
Program 28
•
Assigns HDSS console(s) to telephones.
Program 29
•
Assigns individual button functions for HDSS
consoles.
6 DOOR PHONE/LOCK CONTROL UNIT
AND DOOR PHONE INSTALLATION
6.01 This section provides installation instructions
for both the digital (DDCB) and electronic (HDCB)
door phone/lock control units. It also includes
installation instructions for the door phone (MDFB).
Each DDCB, available with Release 4 only, or
HDCB can support as many as three door phones
(MDFBs), or two MDFBs and one door lock.
6.02 Systems equipped with PCTU (1, 2, 3, 4) can
support up to 12 MDFBs, and STRATA DK24
systems with PCTUS can accommodate up to nine
MDFBs.
6.03 DDCBs and HDCBs can only connect to ports
04, 12, 20, and 28. DDCBs can only connect to
PDKU circuits (always Circuit 5) associated with
these ports, and HDCBs to PEKU or PESU elec-
tronic telephone circuits (always Circuit 5) which
align with them.
NOTE:
DDCBs and HDCBs cannot connect to stan-
dard telephone circuits on the PSTU or PESU.
6.10 DDCB/HDCB and MDFB Cabling
6.11 Refer to Section 400-096-209 for HDCB/
DDCB and MDFB wiring/interconnecting details.
For door lock control installation procedures, refer
to Section 400-096-208. The length of the cable
run from the key service unit (KSU) to the MDFB
(via the HDCB/DDCB) must not exceed 1,000 feet
(305 meters), if using 24 AWG cable.
NOTES:
1. DDCB cable runs must not have the fol-
lowing:
•
Cable splits (single or double)
•
Cable bridges (of any length)
•
High resistance or faulty cable splices
2. See Section 400-096-209 for secondary
protector information.
6.20 DDCB/HDCB Wall Mounting
6.21 The DDCB and HDCB are designed to be
mounted on a wall or other vertical surface. Mount
the units in accordance with the following steps:
1) Locate the two mounting holes on the right-
hand side on the DDCB/HDCB (Figure 7-16).
2) Remove the side cover from the DDCB/HDCB
to expose the two left-hand mounting holes
(Figure 7-16).
3) Position the DDCB/HDCB adjacent to the key
service unit (KSU) with regard to wiring needs.
4) Secure the DDCB/HDCB to the mounting
surface with four one-inch panhead wood
screws.
6.30 Door Phone (MDFB) Wall Mounting
6.31 Mount door phones (MDFBs) to a wall or
vertical surface in accordance with the following
steps:
1) Remove the screw from the bottom of the
cover. Detach the cover from the base and
metal frame (Figure 7-17).
2) Position the metal frame and base to the