ZCOM C I/F Library Routines

ZCONFIG (3X)

...

 

 

0100

Reserved

 

0101

E1 twisted pair DB9

120 ohm

0110

E1 coax BNC

75 ohm

0111

T1 twisted pair RJ45

100 ohm

1000

Loopback Mode (Tristate)

 

1001

E1 twisted pair RJ45

100 ohm

1010

T1 twisted pair DB9

120 ohm

1011

T1 coax BNC

75 ohm

1100

Reserved

 

...

 

 

1111

Reserved

 

QD

1 =

Fast link-down option

 

On

 

 

 

Makes the line go down whenever loss of T1/E1

 

 

frame synchronization is detected by the FALC.

 

 

Otherwise by default there is a delay to avoid

 

 

marking the line down on glitches.

CR

1 =

T1/ESF PRMs transmitted as “carrier”

 

On

 

208

Chapter 4