Meridian America 21 Manuale Utente

3.01 The circuit characteristics of the line pack are listed in Table 3-A.

SIGNALING PAIR

Mode

Rate

Level

AUDIO PAIR

Mode

CIRCUITS PER PACK

OPTIONS

IMPEDANCE

Voice Pair
Signaling Pair

NOMINAL INSERTION LOSS

LOOP LIMITS

Eight individual circuits

Nil

600 ohms
600 ohms

5 

 line-to-line

2 2

6000 feet 

 

2 4

3700 feet 

 

2 6

2300 feet (675 

- -

Under certain conditions the loop limits may be

extended to 8000 feet (2450 

 See 

Diphase

 bit/s

0.75 

 V peak-to-peak across the line.

Analog (audio)