Chapter 5. Configuration Menu
5-4
ESU LT User Manual
61200410L1-1
Other option settings that have no effect in unframed mode
include: CRC4, NFAS WORD, RFA GEN, AUTO DTE TX
CLK, MAPPING, DATA INVERT, INBAND.
Choices: CCS; CAS/TS16; UNFRAMED
LINE CODE
Selects either AMI or HDB3 line coding.
Choices: HDB3; AMI
CRC-4
When enabled, the CRC-4 checksum bits are transmitted in
the outgoing E1 data stream. Also the received signal is
checked for errors. CRC-4 can be enabled in both CCS and
CAS modes. A CRC-4 checksum cannot be sent in unframed
mode.
Choices: Enable; Disable
NFAS WORD
If enabled, the network interface receiver requires the NFAS
word (time slot 0 in odd frames) and the FAS word
(time slot 0 in even frames) for frame sync. When disabled,
only the FAS word is needed for frame sync.
Choices: Enable; Disable
RFA GEN
When enabled, remote frame alarm is transmitted toward the
network during alarm.
Choices: Enable; Disable
TIMING MODE
Selects the clock source for transmission toward the network
from the NI.
Choices: Network, Internal; DTE
The clocking option selected always designates the clock source for
transmission. Clocking necessary for receiving data is always re-
covered from incoming data.
Summary of Contents for 200410L1
Page 1: ...ESU LT User Manual Part Number 1200410L1 Document Number 61200410L1 1A June 1999 ...
Page 8: ...viii ...
Page 14: ...Table of Contents xiv ESU LT User Manual 61200410L1 1 ...
Page 18: ...List of Tables xviii ESU LT User Manual 61200410L1 1 ...
Page 28: ...Chapter 1 Introduction 1 10 ESULT User Manual 61200410L1 1 ...
Page 44: ...Chapter 4 Status Menu 4 6 ESULT User Manual 61200410L1 1 ...
Page 56: ...Chapter 5 Configuration Menu 5 12 ESU LT User Manual 61200410L1 1 ...
Page 72: ...Chapter 8 Example Operations 8 6 ESULT User Manual 61200410L1 1 ...
Page 90: ...Index Index 6 ESU LT User Manual 61200410L1 1 ...
Page 92: ......