Peripheral Installation
6-2
Strata CT I&M Manual October 2000
Figure 6-1
DPFT Circuit Diagram
Power Failure Emergency Transfer (DPFT) Installation
1.
Mount the DPFT on or near the MDF.
Note
See
Chapter 4 – 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 Exchange lines selected for emergency use to the DPFT J1-block “PSTNA”
and “PSTNA-B” terminals.
4.
Connect the 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.
6.
Connect the RSTU or PSTU standard telephone circuits related to the emergency
standard telephones to DPFT J2-block “PSTU-A” and “PSTU-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 RSTU/PSTU-A1
To PCOU-A1
To 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 RSTU/PSTU-B1
H
C
Summary of Contents for Strata CT
Page 36: ...Strata CT Configuration 1 22 Strata CT I M Manual October 2000 H C ...
Page 94: ...Strata CT Installation 2 58 Strata CT I M Manual October 2000 H C ...
Page 242: ...Peripheral Installation 6 54 Strata CT I M Manual October 2000 H C ...
Page 258: ...ACD Installation 7 16 Strata CT I M Manual October 2000 H C ...
Page 274: ...Fault Finding 8 16 Strata CT I M Manual October 2000 H C ...
Page 364: ...ISDN Interfaces 10 38 Strata CT I M Manual October 2000 H C ...
Page 370: ...Notes to Users A 6 Strata CT I M Manual October 2000 H C ...