SECTION III EQUIPMENT PREPARATION PROCEDURES

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

SECTION III

EQUIPMENT PREPARATION PROCEDURES

the card as follows (refer to figure 3-12 for all switch

locations):

3-64. PREPARATION CONSIDERATIONS.

1. Note the multiplexer output rate (Ro) entered

3-65. This section contains the detailed procedures for

on the worksheet. If Ro is less than 2000 bps, set S1 to

configuring the multiplexer and demultiplexer functions in

the Ro < 2KHZ position. If Ro is 2000 bps or higher, set

the multiplexer set. The procedures are keyed to the

S1 to the Ro > 2KHZ position.

information as presented on the configuration

worksheets (figure 3-11). To ensure that a multiplexer

2. Note the channel INTFC 75 or 6K block on

set is completely and properly set up for the designated

the worksheet; set S4 and S5 to the indicated 75 or 6K

system application, the configuration worksheets should

position.

be duplicated and completed for each equipment

configuration being used. The configuration worksheets

3. Set S6 to the ON position.

also serve as a record of the configuration and may be

subsequently used as checklists to ensure that all

NOTE

multiplexer set switch settings have been properly

performed.

Setting S6 to the OFF position

3-66. MULTIPLEXER CHANNEL ELECTRONICS

will inhibit the display of any

SETUP PROCEDURES.

card errors detected by the

RCB diagnostic circuits.

3-67.

The information required for the setup of

multiplexer channel cards for a given configuration is

4. Set S7 to the ON position,

provided on sheet 1 of the configuration worksheets

(figure 3-11). Sheet 1 provides the following information:

the identity of each active channel; each channel's input

NOTE

data rate (Rc); the number of ports (K) assigned to the

channel; and the type of channel card to be used in

Setting S7 to the OFF position

processing each channel data input. Space is provided

will inhibit the display of any

for entry, when applicable, of channel card input

out-of-tolerance

(OOT)

impedance data and coarse rate conversion strapping

condition detected by the

data. Space is also provided for entry of the multiplexer

RCB card diagnostic circuits.

output rate (Ro).

Paragraphs 3-68 through 3-71

prescribe the setup procedures for the three optional

5. Refer to the worksheet, and note in the

multiplexer channel cards (paragraph 3-27) based on the

PORTS K blocks the number of ports (K) assigned to

information provided.

each channel. Note the port rate (Rp) shown on sheet 2

of the worksheets; multiply K and

3-68. RCB CARD (P/N 61864010).

3-69. For each channel that uses an RCB card, set up

3-29