ACC Utilities Reference Guide

Chapter 2 55
TTGEN - ZCOM System Table Generator
Creating the TTGEN Configuration File
The following option parameters may then appear in any order, as
needed.
qdown Fast link down option Enables fast response to loss
of frame synchronization.
For use with high quality
lines, where immediate
notification, to the layer-2
protocol, of line errors is
required.
Without this optional
keyword present, transient
errors are ignored.
carrier Send T1/ESF PRMs as
carrier
The performance report
messages transmitted in
T1/ESF mode contain an
address which indicates
whether the ACC is a
“network” or “user” device.
By default the ACC is a
“user” device.
noprm Suppress transmission of
PRMs in T1/ESF mode
This option suppresses the
transmission of performance
report messages in T1/ESF
mode.
longhaul Enable long-haul capability
(Z7330B only)
Enables the receive
equalization and high power
transmit line.
rcf Enable reduced corner
frequency (Z7330B only)
The corner frequency at
which jitter attenuation
begins, is reduced by a factor
of ten by setting this option.
japan Enable JT G.706
compatibility (Z7330B only)
In T1/ESF mode the CRC6
is calculated and the remote
alarm processed according to
JT G.706 (Japanese
variation) by setting this
option.