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Chapter 5. Configuration Menu
5-28 TDU 120e User Manual 61202156L2-1
Trap in DBU:
If traps are enabled (see U
NIT
C
ONFIGURATION
), this
parameter will send either a single trap upon going
into a DBU session or send repeated traps for the
duration of the DBU session.
Choices: S
INGLE
, R
EPEATED
DS-1 (0.2) Menu Items
Format
Format sets the frame format for the base DS-1 interface.
Choices: D4, ESF
Code
C
ODE
sets the line code for the base DS-1 interface.
Choices: AMI, B8ZS
Yellow Alarm
Y
ELLOW
A
LARM
enables and disables the transmitting of
yellow alarms.
Choices: E
NABLE
, D
ISABLE
Line Length (ft)
L
INE
L
ENGTH
provides selection of the proper output
level for the base DS-1 based on the length of the inter-
face cable.
Choices:
S
HORT
HAUL
INTERFACES
(ft) - 1-133, 133-266, 266-399, 399-
533, 533-655
L
ONG
-
HAUL
INTERFACES
- 0dB -7dB, -15dB, -22dB, auto
Inband Loopback
(INBAND LPBACK)
I
N
-
BAND
L
OOPBACK
sets the base DS-1 to accept or reject
in-band loopup or loopdown codes (per ANSI T1.403
specification) which may be sent to the card over the
DS-1 interface. This loopback is a line loopback.
Choices: A
CCEPT
, R
EJECT