Reference Guide

ZCOM C I/F Library Routines
ZPORT (3X)
Chapter 4282
The Z7300A or Z7330A E1/T1 card uses the following configuration:
0 0 0 0 RS232 Mode
0 1 0 0 RS422 Mode
1 0 0 0 Loopback Mode (Tristate)
1 1i 0 0 X.21/V.11 Mode
0 0 0 1 V.35 (Z7340A and Z7350A
only)
0 0 1 0 RS-449 (Z7340A and Z7350A
only)
0 0 1 1 V.36 (Z7340A and Z7350A
only)
All Other Values Reserved
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Ecode Fmode 0 = not used S. Clk 0 = not used
Pmode 0 = not used 0 = Not Used
Ecode Value Encoding modes
0 0 HDB3 - High Density Bipolar/3 zeros
0 1 B8ZS - Bipolar/8 Zero Substitution
1 0 AMI - Alternating Mark Inversion
(AMI is not supported)
1 1 Not Defined
Fmode Value Frame Mode parameter
0000 T1: F4 - 4-Frame Multiframe
0001 T1: SF - 12-Frame Multiframe
0010 T1: ESF - Extended Superframe