Provisioning; Table 4. Provisioning Options - ADTRAN HTU-C NB Installation And Maintenance Practice

HTU-C using Narrowband/Wideband for Litespan Installation and Maintenance Practice

Provisioning

The HTU-C NB/WB for Litespan is provisioned in two ways:
• Local HTU-C provisioning is set using the RS-232 port. Typical T1 provisioning options are
set for the HTU-C NB/WB for Litespan.
• Litespan system provisioning through a Litespan craft interface port allows a data cross-
connection between the HTU-C NB/WB for Litespan and another line card in the
asynchronous T1 line card class or another HTU-C NB/WB for Litespan. If the cross-
connected unit is not an HTU-C, then T1 provisioning of the cross-connected unit can be
accomplished through the Litespan craft interface port. If the cross-connected unit is
another HTU-C NB/WB for Litespan, however, provisioning of the cross-connected unit
must be performed at the front panel craft interface port.
The HTU-C NB/WB for Litespan provisioning options and defaults are listed in
complete Litespan cross-connection provisioning information, refer to TL1 software documen-
tation release 7.1 or higher.
Description
Line Code
Framing
Loopback Timeout
DS1 Transmit Level (2)
Span Power
DS1 Latching Loopback
Customer Loss Response
NIU Loopback (5)
New England 1:6 Loopback
PRM Mode (7)
1. The FFFC mode sets the HTU-C to ESF and the HTU-R to SF. This mode should be used to force SF (DS1 from
customer) to ESF (DSX-1 to network) conversion in the absence of network-provided ESF framing.
2. With some remote units this option is only provisionable at the HTU-R.
3. When operating in FT1 mode and during periods of T1 loss of signal, LOS, or T1 AIS from the customer CI, the
HDSL system will send in the network direction from the HTU-C a Fractional DS1 idle signal consisting of a
repeating 7E (HEX) byte payload within a framed/unframed T1 signal. In addition, when optioned for FT1
mode, the setting for Customer Loss Response is ignored.
4. The CDI is generated by transmitting the framing received from the network while overwriting the payload with
a repeating pattern. For applications where the DS1 is Extended Superframe, the data link is overwritten with
a Yellow Alarm that is interrupted once every second by a 100 millisecond code burst of 7E (HEX).
5. This option is not available if the HTU-R (P/N 1247026L7) is used in the circuit.
6. This option is only available if the HTU-R (P/N 1247026L4) is used in the circuit.
7. This option is not available if the HTU-R P/N 1247026L6 is used in the circuit.Control Port Operation
10

Table 4. Provisioning Options

Options
B8ZS; AMI
AUTO; ESF; SF; Unframed; FFFC
None; 60 minutes; 120 minutes
0 dB; –15 dB
Enabled; Disabled
T1; FT1 (3)
AIS; CDI (4) ; Loopback
Enabled; Disabled
Enabled; Disabled
(6)
None; SPRM; NPRM
Table
Default
B8ZS
AUTO
(1)
120 minutes
0 dB
Enabled
T1
AIS
Enabled
Disabled
None
4. For
61247002L1-5A