User guide

FAX BOARDS AND FAX DRIVERS INSTALLATION

Configuration Parameters

for T1 RBS Ports

connection between the board and the T1 service:

0_133 = Specifies a length of 0 to 133 feet

133_266 = Specifies a length of 133 to 266 feet

266_399 = Specifies a length of 266 to 399 feet

399_533 = Specifies a length of 399 to 533 feet

533_655 = Specifies a length of 533 to 655 feet

7_5_DB = Specifies a length of negative 7.5 dB

15_DB = Specifies a length of negative 15.0 dB

22_5_DB = Specifies a length of negative 22.5 dB

Default value: 0_133

line_coding

Specifies a value defining the type of line encoding to use for the port.

Valid values are:

B8ZS = Selects Bipolar 8-Zero Suppression (B8ZS)

JBZS = Selects Jammed Bit Zero Suppression (JBZS)

ZBTSI = Selects Zero Byte Time Slot Interchange (ZBTSI)

AMI = Selects Alternate Mark Inversion (AMI)

Default value: B8ZS

line_type

Specifies a value defining the type of framing to use for the port. Valid values are:

D4 = Selects AT&T D4 framing format

ESF = Selects Extended Super Frame (ESF)

Default value: ESF

max_did_digits

Specifies a value that defines the maximum number of DID digits to expect before

accepting an incoming call. Valid values are:

0 = Disables waiting for DID digits

1 - 63 = Specifies the number of digits - use a number in this range for all

countries except Japan.

1 - 4 = Specifies the number of digits for Japan only

Range: 0 through 63 for all except Japan; 0 through 4 for Japan

Default value: 0

Note: The system only reports the expected number of DID digits (the value specified

for max_did_digits) to the application even if the number of DID digits it received from

the network exceeds the number specified for max_did_digits.

protocol_file

Specifies the name of the T1 robbed-bit signaling (RBS) protocol file to load for the

port. This parameter dictates the protocol that runs on the port. Valid values are:

immediatedial.lec

winkstart.lec

Default value: None