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Chapter 6. Data Port Configuration
6-6 TSU IQ+ User Manual 61200275L1-1
DSX PORT
Configure these options to be compatible with the T1 service
provided and with the
DSX-1
port’s connection. The menu tree is
shown in Figure 5-2 on page 5-3.
Framing Format (FRAMING)
Set the framing format of the
DSX-1
interface to be compatible with
your T1 service. This information is available from your service
provider. Choices are D4 or ESF.
Line Code (LNE CODE)
Set the line coding of the
DSX-1
interfacetobecompatiblewith
your T1 service. This information is available from your service
provider. Choices are B8ZS or AMI.
Yellow Alarm
E
NABLE
or D
ISABLE
the transmitting of yellow alarms.
Line Length (LBO)
Select the length of the
DSX-1
’s interface cable (in feet) or select
7.5dB. The unit can then calculate the proper output level for the
port. Choices are 0
TO
133; 133
TO
266; 266
TO
399; 399
TO
533;
533
TO
655 and 7.5 dB.
In-Band Loopback (LOOPBACK)
E
NABLE
or D
ISABLE
the unit’s ability to accept in-band loop-up or
loop-down codes (per ANSI T1.403 specifications) which may be
sent through the
DSX-1
interface. This loopback is a line loopback.
Robbed Bit Signaling (ROBBED BIT)
Set R
OBBED
B
IT
S
IGNALING
to match the settings of the device
connected to the
DSX-1
port.