CHAPTER 5: Data Signals

Local fiber optic modem switched

Fiber optic modem forced to loop

to remote loop mode

mode by other modem

Figure 5-3. Data Signals at Remote Loop/Line Loop Mode.

Table 5-1. G.703 Pinout (Female)

Pin

Signal

Terminal End

Network Termination

 

 

 

 

2

R A

Input

Output

4

T A

Output

Input

9

R B

Input

Output

11

T B

Output

Input

 

 

 

 

Figure 5-4. G.703 Connector.

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Black Box 39004, 39005 manual Data Signals