Chapter 5 Config Menu
TSU LT User Manual
40
© 2003 ADTRAN, Inc.
61203060L1-1A
Figure 5-2. Network Submenu
Clock Sources and Timing
The TSU LT operates from various clock sources, permitting it to perform properly in many different
applications. Use the
C
ONFIG
> N
ETWORK
(NI) > 5)C
LOCK
S
OURCE
:
menu to set the network interface
clocking options (network, DTE, or internal timing). See the descriptions for
on page 41, and
Table 5-1. Network Interface Submenus
Submenu
Description
FORMAT
Sets the frame format for the NI.
Choices: D4, ESF, AUTO
a
a D4 is equivalent to Superframe Format (SF).
CODE
Sets the line code for the NI.
Choices: AMI, B8ZS
YEL ALRM
Enables and disables the transmitting of yellow alarms.
Choices: ENA (enable), DISA (disable)
XMIT ALRM
Enables and disables the transmitting of performance report message (PRM) data on the
facility data link (FDL). The PRM data continues to be collected even if XMIT PRM is disabled
(possible only with ESF Format).
Choices: ENA (enable), DISA (disable)
CLOCK SOURCE
b
b For more information on clock sources and timing, see
Selects the clock source for transmission toward the network from the NI.
Choices: NETWORK, DTE, INTERNAL
SET LBO
Selects the line build-out (amount of attenuation, in dB) for the network interface.
Choices: 0, 7.5, 15, 22.5
The clocking option selected always designates the clock source for transmission.
Clocking necessary for receiving data is always recovered from incoming data.
Summary of Contents for TSU LT
Page 1: ...TSU LT USER MANUAL Part Number 1203060L1 61203060L1 1A April 2003...
Page 16: ...List of Figures TSU LT User Manual 16 2003 ADTRAN Inc 61203060L1 1A...
Page 18: ...List of Tables TSU LT User Manual 18 2003 ADTRAN Inc 61203060L1 1A...
Page 26: ...Chapter 2 Inspection and Installation TSU LT User Manual 26 2003 ADTRAN Inc 61203060L1 1A...
Page 34: ...Chapter 3 Operation TSU LT User Manual 34 2003 ADTRAN Inc 61203060L1 1A...
Page 38: ...Chapter 4 Status Menu TSU LT User Manual 38 2003 ADTRAN Inc 61203060L1 1A...
Page 58: ...Appendix B DTE Data Rate Chart TSU LT User Manual 58 2003 ADTRAN Inc 61203060L1 1A...
Page 62: ...Appendix C Pinouts TSU LT User Manual 62 2003 ADTRAN Inc 61203060L1 1A...