Quantum and Evolution Series Installation and Operating Handbook
7-40
These screens are explained in the following sections.
IDR 8k ESC
Options:
Off
Asynchronous
Requires ESC SAF feature (standard on base modem). Provides up to
a 9600-baud asynchronous channel.
Synchronous
Factory
default:
Off
Description:
Controls the operating mode of the low-rate IDR ESC channel.
ESC Baud Rate, ESC Character Length, ESC Parity, ESC Interface
See the descriptions under
Edit-Tx-Baseband-Advanced-Overhead-Closed Network Plus
ESC Screens.
ESC Interface
See the description under
Edit-Unit-Interface-ESC Interface Screen.
IDR ESC Audio Encoding
Options:
Off
When off, V1 and V2 are omitted and consequently only 32kbps overhead
is transmitted (or the 64kbps of V1 and V2 overhead can be reallocated to
Aux data via the IDR Aux mode setting). The 32kbps overhead includes
FAS, backward alarms and an 8kbps synchronous ESC channel.
2x16k in V1
Two 16kbps ADPCM channels are provided in V1 (with V2 either being
omitted or being replaced with Aux data as determined by the IDR Aux
mode setting)
1x32k in V1
32kbps is provided in V1 (with V2 either being omitted or being replaced
ESC level ch1:0 to 38dB
[0] Step 2dB
New: 0
ESC Audio Levels Screen