Reference Guide
ZCOM C I/F Library Routines
ZCONFIG (3X)
Chapter 4208
...
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 =
On
Fast link-down option
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 =
On
T1/ESF PRMs transmitted as “carrier”