Click here to make tpub.com your Home Page

Page Title: Section III. TYPICAL BLACK AND RED DIGITAL CIRCUITS AND PATCH PANEL CONFIGURATIONS
Back | Up | Next

Click here for thousands of PDF manuals

Google


Web
www.tpub.com

Home


   
Information Categories
.... Administration
Advancement
Aerographer
Automotive
Aviation
Construction
Diving
Draftsman
Engineering
Electronics
Food and Cooking
Logistics
Math
Medical
Music
Nuclear Fundamentals
Photography
Religion
   
   

 

TM 11-5895-878-14&P
Section III. TYPICAL BLACK AND RED DIGITAL CIRCUITS
AND PATCH PANEL CONFIGURATIONS
the line equipment.
2-6. Digital Circuits, General
The  P&T  of  the  TCF  provides  cross-connection,
c. Receive Circuit.
To complete the receive
monitoring, testing, circuit patching access, and timing
circuit, dual cross-connect patch cords are installed as
clock for black and red digital circuits.  Black and red
follows:
circuits are discussed in paragraphs 2-7 and 2-8. As shown
(1) Patch cord No. 7, from jacks 1 and 2, row
in figures FO-2.1 and FO-2.2, black and red circuits may be
2, module A, panel 1 to jacks 1 and 2, row 3, module A,
connected back to back at the P&T to bring a channel.
panel 2 connects the receive data line to the tip () lead
through the TCF. Station timing clock isolation circuits are
of the patch panel receive jack set.  The T lead is
discussed in paragraph 2-9.
All digital circuits are
normal-through connected to the T1 lead of the patch
connected through a Universal Digital Patch Panel. The
panel jack set and cabled to jack 1, row 4, module A,
patch panel and its different configurations are discussed in
panel 2 of IDF.  The same patch cord connects the
receive data return line to a common tie point and to
jack 2, row 4, module A, panel 2 of the IDF.
2-7. Typical Black Digital Circuit
(2) Patch cord No. 10, from IDF jacks 1 and
(fig. FO-5)
2, row 4, module A, panel 2 to jacks 1 and 2, row 2,
a. General. In this example of a black digital circuit,
module A, panel, 6 completes the receive data
the  Universal  Digital  Patch  Panel  jack  sets  are
connection from the patch panel jack set to the receive
programmed with a group 4 module in the send circuit and
pair of the local equipment.
a group 5 module in the receive circuit. Refer to paragraph
(3) Patch cord No. 8, from jacks 3 and 4, row
2-11e and f for patch panel circuit details. This circuit is
2, module A, panel 1 to jacks 3 and 4, row 3, module A,
crossconnected in IDF bay 1.10.  The local equipment
panel 2 connects the receive clock to the ring (R) lead of
(EQUIP side of circuit) is cabled to module A of panel 6.
the patch panel jack set. The R lead is normal-through
The line equipment (LINE side of circuit) is cabled to
wired to the R1 lead of the jack set and cabled to jack 3,
module A of panel 1. The jack sets of the Universal Digital
row 4, module A, panel 2 of the IDF. The same patch
Patch Panel are cabled to module A of panel 2. Optional
cord also connects the receive clock return to a
devices are not used, but connections that could be used
common tie point and to jack 4, row 4, module A, panel
are shown.
2 of the IDF.
b. Send Circuit. To complete the send circuit, dual-
(4) Patch cord No. 11, from jacks 3 and 4,
plug, cross-connect patch cords are installed as follows:
row 4, module A, panel 2 to jacks 3 and 4, row 2,
(1) Patch cord No. 4, from jacks 1 and 2, module
module A, panel 6 completes the receive clock circuit to
A, panel 6 to jacks 1 and 2, row 2, module A, panel 2. This
the local equipment.
connects the transmit data output of the local equipment to
pin 5 of patch panel connector C- 1. This is the jack sets
2-8. Typical Red Digital Circuit
tip (1) lead, which is normal-through wired to pin 1 (tipT) of
(fig. FO-6)
patch panel connector C-1. Pin 1 of C-1 is cabled to jack 1
a. General. In this circuit the equipment and three
of row 1 in module A, panel 2. The transmit data return is
patch panel jack sets in bay 2.10 are cabled to IDF bay
also cross-connected with patch cord No. 4, and is
2.21. The line equipment is connected to module A of
connected to a common tie point.
panel 1. The patch panel jack sets are wired to module
(2) Patch cord No. 1, between jacks 1 and 2, row
A of panel 2.  The local equipment is connected to
1, module A, panel 2 and pins 1 and 2, row 1, module A,
module A of panel 8. Refer to paragraph 2-11 b, c, and
panel 1 completes the transmit data and transmit data
d for patch panel circuit details. A red digital circuit is
return to the line equipment.
connected similar to a black digital circuit (para 2-7)
(3) Patch cord No. 5, from jacks 3 and 4, row 1,
except: (1) The circuit is located in equipment row 2 in
module A, panel 6 to jacks 3 and 4, row 2, module A, panel
place of equipment row 1; (2) A control jack set (third
2 connects the transmit clock through the R1 and R leads
jack set) may be used when control functions are
of the patch panel jack set, to jacks 3 and 4, row 1, module
required (b below); (3) The station clock must be
A, panel 2 of the IDF. The transmit clock return is also
connected through a line isolation circuit (c below); (4)
connected to the common tie point through patch cord No.
Timing clock circuits are not used.
5.
b. Control Circuit. To complete the data inhibit and
(4) Patch cord No. 2, from jacks 3 and 4, row 1,
synchronize circuits, dual-plug cross-connect patch
module A, panel 2 to jacks 3 and 4, row 1, module A, panel
cords are installed as follows:
1 completes the transmit clock and transmit clock return to
(1) Patch cord No. 13, from jacks 3 and 4, row 2,
2-19

Privacy Statement - Press Release - Copyright Information. - Contact Us