ACC Programmer's Reference Guide

Chapter 4 259
ZCOM C I/F Library Routines
zport (3X)
The Z7300A or Z7330A E1/T1 card uses the following configuration:
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 Val ue Frame Mode parameter
0000 T1: F4 - 4-Frame Multiframe
0001 T1: SF - 12-Frame Multiframe
0010 T1: ESF - Extended Superframe
0011 T1: F72 - Remote Switch Mode
0100 E1: DF - Doubleframe
0101 E1: MF - CRC Multiframe
0110 Transparent (voice) mode
S.Clk Valu e Clock source
0 0 External clock (slave)
0 1 Internal clock from BRG (master)
1 0 External RxC only (Exin)
1 1 DPPL output (use BRG as source)
Pmode Value Port Mode
0000 Reserved
....
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