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To log on and access the H4TU-C Remote Terminal Main Menu screens:
SPACEBAR
1
Press the
ENTER
2
Press the
Main Menu items are replications of the line unit screens. Depending on the line unit
attached to the H4TU-R-402, remote provisioning may be available.
To log on and access the H4LXC Main Menu screens:
ENTER
1
Press the
2
Type the assigned logon ID in the Enter Username field. If a logon ID is not assigned,
SONEPLEX
type
3
Type the assigned password at the Enter Password field. If a password is not assigned,
SONEPLEX1
type
ENTER
4
Press the
The H4TU-C can be provisioned at the H4TU-C front panel or through the
maintenance terminal screens at the HMU managing the H4TU-C. The H4LXC is
provisioned through the maintenance terminal screens at the SCU managing the
H4LXC. For more information on the maintenance terminal screens, refer to the
applicable H4TU-C or H4LXC line unit user manual.
L
OOPBACK
Initiate loopback testing from the maintenance terminal menus or by using in-band codes.
The inband codes shown below can be sent by a test set. For more information, refer to the
applicable H4TU-C or H4LXC line unit user manual.
H4TU-C Configured Systems
H4TU-C
DSX-1
NLOC
1111000
Network
*When enabled, TLOS is an automatic loopback
Loopback
In-Band Code
NLOC
1111000
NREM
1110000
SMJK
11000
CREM
1111110
CLOC
1111100
Loopdown
11100
H4LXC Configured Systems
H4LXC
DS1
HDSL
DS1 Signal
from CPE
1
2
DS1 Signal
from
Network
H4LXC Default Codes for Programmable Loopback Operations
Operation
Loopup H4LXC
Loopup H4D1
Loopup H4D2
Loopup H4TU-R
Loopdown (all units)
Loopup time-out disable
several times to display the Remote Login screen.
key to view the Maintenance Terminal Screen. The Remote Terminal
key twice to display the Logon screen.
(default), then press
.
key to view the Main Menu screen.
T
ESTING
H4D1
1111110
111100
NDU1
CREM
110000
that occurs with an LOS at the remote DS1 input.
H4TU-C GNLB Loopback Commands
Description
DSX-1 signal is looped back to the network at the H4TU-C.
DSX-1 signal is looped back to the network at the H4TU-R.
DSX-1 signal is looped back to the network at the H4TU-R
SmartJack module.
DS1 signal from customer is looped back to the customer at the
H4TU-C.
DS1 signal from customer is looped back to the customer at the
H4TU-R.
Deactivates any of the above loopbacks.
H4D
HDSL
HDSL
HDSL4
4
3
loop
Default Binary Code
1101 0011 1101 0011
1100 0111 0100 0001
1100 0111 0101 0100
1100 0111 0100 0010
1001 0011 0110 0011
1101 0101 1101 0110
ENTER
.
H4D2
111110
NDU2
CDU1
CDU2
111000
H4D
HDSL
HDSL
HDSL4
6
5
loop
Description
Activates a loopback at the specified unit. Unit goes
from Armed to loopup state.
Deactivates the loopback. Unit goes from loopup state
to Armed state.
Disables loopup time-out. Loopback stays active until
deactivation or disarm code is received.
H4TU-R
DS1
*TLOS
NREM
CLOC
1111100
1110000
11000
SMJK
Customer
Premises
H4TU-R
HDSL
DS1
HDSL4
7
8
loop
DS1 Signal
from CPE
D 1
S Signal
to CPE
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