TE/TR CARD (P/N 61864060)

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

RD, and compare this value (KRp) with the channel's

etc. The largest number of fill bits

input data rate (Rc).

the multiplexer can process is 868. If

the computed quantity of fill bits

6. If Rc is equal to KRp (Rc = KRp), set S3 to the RCB

exceeds this value, a check for

position, which completes the RCB card setup process.

computational errors is suggested. A

If Rc is less than KRp (Rc < KRp), set S3 to the URC

correctly computed fill bit value

position and perform steps 7 through 9.

greater than 868 is indicative of

incorrect configuration data on the

NOTE

worksheet.

In cases where Rc < KRp, coarse rate

8. Refer to table 3-3 and locate the fill bit quantity

conversion of Rc to KRp must be

computed in step

performed by the multiplexer. To

7. Enter the 10-digit binary number associated with this

enable this conversion, a fill bit value

quantity in the RATE CONVERSION DATA block on

must be computed and set into the

sheet 1 of the worksheets.

RCB by 10-position switch S2.

NOTE

7. Determine the quantity of fill bits required, using the

expression:

In step 9, ensure that the 10-digit

number is inserted properly and the 0

Fill bits = 899K (1 - Rc )

and 9 positions are not inadvertently

KRp

reversed.

Removal of all switch

jumpers prior to starting the number

where

entry process is suggested.

K = quantity of ports assigned to the channel (from

9. Set 10-digit switch S2 on the RCB card to

worksheet)

reflect the 10-digit binary number recorded on the

worksheet, This completes the RCB card setup process.

Rc= channel data rate (from worksheet)

10. Install the RCB card in its appropriate slot (1

Rp = port rate (from worksheet).

through 15) in the MULTIPLEXER row.

NOTE

3-70. TE/TR CARD (P/N 61864060). For each channel

that uses a TE/TR card, set up the card as follows (refer

To ensure a proper computation of fill

to figure 3-13 for all switch locations):

bit quantity, the value of 1 - Rc/KRp

must be determined to seven decimal

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

places. Overall fill bit quantity, when

worksheet; set S4 to the indicated 75 or 6K position.

computed, should be rounded to the

nearest whole number; i.e., 316.7 is

2. Set S6 and S7 to the NORM position.

rounded

317,

3-35