Figure 2-7. Connections for half-duplex operation (not applicable to TT-698(*)/TG).

TM 11-5815-206-12/ TO 31W4-2PGC1-61

Figure 2-7. Connections for half-duplex operation (not applicable to TT-698(*)/TG).

b . LO W L e v e l U n i t s C o n n e c t i o n s { T T -

2-11. Connections

for Half-Duplex Operation

698(*)/TG).

( D c System). ( N o t Applicable to TT-

Signal line connections to low level units are made

698(*)/TG)

to terminal board A1TB1, as shown in figure 1-15.

On these units, the send terminals are 1 and 2 and

a. Loosen the knurled nuts of terminals 2 and 3

are labeled XMIT OUT, and the receive terminals

(B, fig. 2-6). Connect the associated shorting bar

are 4 and 5 and labeled RCVR IN. Terminal 3

across terminals 2 and 3 and tighten the nuts.

provides a ground connection for signal cables'

Perform the steps in b or c below as applicable.

shields.

2-9