Toshiba Strata DK40 - Power Failure Emergency Transfer (DPFT) Installation

Peripheral Installation Power Failure Options
6-2
Strata DK40 I&M Manual Spring 1999
Refer to the Strata DK40 Programming Manual or DK Library CD-Rom for more details.
Power Failure Emergency Transfer (DPFT) Installation
1. Mount the DPFT on or near the MDF.
Note
Refer to Chapter 4 – DK40 Universal Slot PCB Wiring, DPFT/MDF interconnecting
tables.
2. Using 25-pair cables with amphenol-type connectors (female for DPFT connector J1,
male for DPFT connector J2), connect the DPFT to two 237 Krone strips.
3. Connect the Analogue Exchange lines selected for emergency use to the DPFT J1-block
“PSTN-A” and “PSTN-B” terminals.
4. Connect the TCOU or PCOU circuits related to the emergency Exchange lines to the
DPFT J1-block “PCOU-A” and “PCOU-B” terminals.
5. Connect the standard telephone stations selected for emergency use to the DPFT J2-
block “TEL-A” and “TEL-B” terminals.
J2-26
J2-1
J1-26
J1-1
Relay
J1-25
J1-50
J1-2
J1-27
J2-2
J2-27
Telephone Current
Detector
To TEL-A1
To TEL-B1
To Exchange
line -A1
To KSTU/RSTU/
PSTU-A1
To TCOU/PCOU-A1
To TCOU/PCOU-B1
DG (Input)
-24V (Input)
RSTU or PSTU
Control
1498
Notes
• Representation of first of eight circuits.
• Conditions shown with AC power (-24VDC) off.
To Exchange
line -B1
To KSTU/RSTU/
PSTU-B1
Figure 6-1 DPFT Circuit Diagram