Six patching modules

TM11-5895-932-14&P

1-22). Bay 2.3 is designated the red dc patch bay.

a. Red Sec Patch Bay 2.1 (Secure) (fig.

It contains six patching modules: three 16 circuit,

1-19). Six patching modules and a pullout shelf

12-wire patching modules, two 12 circuit, 2-wire

are installed in the front panel of red dc patch bay

patch modules, and one miscellaneous (MISC)

2.1. Three patch modules are 12-wire types con-

16 individual patch circuits. Two patch

patch module (48, 2-wire jack appearances), a

modules are 2-wire type containing 12 individual

major alarm panel, and an alarm buzzer. All

connections to the patch panels are made at the

patch circuits each. The last patch module is used

rear of the bay (fig. 1-23).

for miscellaneous (MISC) circuits containing 48

d. Red/Black Isolator Bay 2.4 (fig. 1-24). Two

individual patch modules. The first eight rows (top

separate side by side cabinets, using special radio

and bottom) are wired to the monitor (MON IN)

frequency (rf) door seals and a series of clamps

test pins of each multichannel patch panel. All

connections to the patch panels are made at the

around the edges to hold the doors tightly closed,

are used to house the red/black isolator circuitry.

mar of the bay (fig. 1-20).

b. Red IDF Bay 2.2 (fig. 1-21). The red IDF

Black and red signals and power are connected

contains cable terminal blocks mounted on a metal

through conduits from under the floor cable ducts

frame. The blocks are used to terminate and

into the cabinets. The right cabinet contains all the

crow-connect circuits within the PTF.

black signals, the left cabinet the red signals.

c. Red Unsec Patch Buy 2.3 (Unsecure) (fig.

1-26