Phone Punx Files
Issue Files
Issue 2
Datu Files
figure1.gif
- DATU System Application Diagram.
figure2-1.gif
- Connections for All Systems (Except: 5 ESS With Integrated SLC Only, DMS-10
and DMS-100).
figure2-2.gif
- System Connections for 5 ESS With Integrated SLCs Only.
figure2-3.gif
- DMS-100 MDF Connections.
figure2-4.gif
- DATU-RT Card Pin Locations.
table2-1.gif
- List of NTT Circuit Numbers.
table2-2.gif
- LED Functions (kinda useless, but good info for SEing).
table4-1.gif
- DATU Line Access Main Menu.
440hz.wav[MISSING] - 440hz.
The DATU dial tone.
614hz.wav - Two
beeps heard after initial audio monitor period ends.
badntt.wav[MISSING] -
A rare recording of a DATU reading a "Bad No Test Trunk". Thank you god,
for creating the
Greenwood Lake CO.
menu.wav[MISSING] - The
Main Menu.
prgain.wav[MISSING] -
DATU RT working through a SLC-96 and finding a multi party line. Listen carefully
to hear
Digital Matrix telling me that I should "go outside and get him some cake".
Don't ask why.
Issue 3
DACS files
flexpic.gif -
Diagram of the network.
DATU Files
figd.txt -
Detailed Description of the images.
fig1a2.gif -
FIG. 1 diagrammatically illustrates a telephone central office switch having a no
test trunk, through respective T, R, S and G leads of which a line-conditioning and
test device, such as a direct access test unit, may be controllably connectable to a
selected one of any of the line circuits served by the central office.
FIG. 2 diagrammatically illustrates an Ericsson ARF 101/102 central office switch.
fig3a5.gif -
FIG. 3 diagrammatically illustrates a Standard Electric PC-1000 central office switch.
FIG. 5 shows a test interface adapter installed between a DATU and A, B, S, S1, S2,
SL, BL and G leads of a Standard Electric PC-1000 central office switch.
fig4.gif -
FIG. 4 shows a test interface adapter according to the present invention installed
between a DATU and A, B, C, D and G leads of an Ericsson ARF 101/102 central office
switch.
fig6a8.gif -
FIG. 6 shows the internal signal mapping components of the interface adapter of
the present invention.
FIG. 8 schematically illustrates an NTT sleeve termination and current level sensor
unit of the interface adapter of FIG. 6.
fi7.gif -
FIG. 7 schematically illustrates the circuitries of the battery voltage
conditioning unit, A/B cut through unit, and tone detector unit of the interface
adapter of FIG. 6.
fig9.gif -
FIG. 9 schematically illustrates a ground connection unit of the interface adapter
of FIG. 6.
fig10.gif -
FIG. 10 schematically illustrates an SL and BL ground detector unit of the interface
adapter of FIG. 6.
fig11.gif -
FIG. 11 contains a cadence Table 1, associated with the cadence detection mechanism
for a Standard Electric central office switch.
fig12.gif -
FIG. 12 contains a cadence Table 2, associated with the cadence detection mechanism
for an Ericsson central office switch.