PEPU External Page Interface Unit
DK40 Universal Slot PCBs
Strata DK40 I&M Manual Spring 1999
3-9
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
PEPU
External Page Interface Unit
System:
DK40 Expansion KSU
Circuits per PCB:
(see interfaces)
Interfaces with:
built-in paging amplifier or page speaker
door lock control
external amplifier control
external paging 600 ohm (duplex) interface (one zone) (see note
below)
MOH control
night relay control
Compatible Slot(s):
15 ~ 18
Older Version(s):
PEPU1 (not compatible with DK40)
The PEPU is similar to the PIOU and PIOUS, but supports fewer peripherals than both PCBs.
PEPU controls, indicators, and interface connectors are illustrated in Figure 3-4 and
described in Table 3-2.
Note
The DK40 Base KSU provides the 600ohm page output. The 600 ohm output on the
PEPU is not used.
PEPU does not support the following PIOU and PIOUS options:
◆ Alarm sensor
◆ Four-zone page
◆ SMDR port
◆ Remote maintenance modem or ASCII terminal connector
◆ IMDU connection
Note
Refer to Chapter 6 – Peripheral Installation and Chapter 4 – DK40 Universal Slot
PCB Wiring for installation of external options.
PEPU Installation
1. Ensure the PEPU has been configured for the appropriate hardware options. (Chapter 6
– Peripheral Installation.)
2. Insert the PEPU (component side facing right) into the last slot of the Expansion
cabinet. Apply firm, even pressure to ensure proper mating of connectors.
3. After installing the PEPU, gently pull the PCB outward. If the connectors are properly
mated, a slight resistance is felt.
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