Verilink QPRI 2921 (880-503143-001) Product Manual Manual de usuario descargar pdf (Pagina 44)

Configuring the QPRI 2921 Via the NCM 2000 Craft Interface

3-10 Verilink QPRI 2921

Configuration

Menu (Timing

Options)

To access the

Configuration Menu (Timing Options)

, enter

from

the

T1 Port Configuration Menu

, Figure 3-4.

Use this menu to determine the transmit timing source of the QPRI

modules. If the QPRI module derives its timing from another card

in the shelf, enter the slot of the module to be the timing source.

This includes the option of setting the QPRI as the timing source

for the shelf.

Select primary, secondary, and tertiary timing sources. The

secondary and tertiary timing sources provide a backup for the

primary timing source. The Auto Restore option determines which

timing source is used when the primary timing source fails,

restores, and then remains viable for a period of 60 seconds.

If the primary source fails, the secondary source becomes the

timing source. When the primary source recovers and the Auto

Restore option is set to “Yes”, the primary source resumes service

as the QPRI module’s timing source. If the Auto Restore option is

set to “No”, the secondary source remains the timing source until

you manually reconfigure the primary source, or set its Auto

Restore option to “Yes”.

NOTE:

For ISDN, the network ALWAYS supplies a clock that MUST be

the source.

Figure 3-6 Configuration Menu (Timing Options)

Idle Pattern: Select the idle pattern code for when there is no user data on

the net. Depending on your network, select either All-Ones or Flags. The

signal is transmitted continuously until a message is sent. Once the

message completes transmission, the line reverts to the signal chosen:

All-Ones is a signal on an FDL composed entirely of ones: 11111111.

Flags is a signal on an FDL consisting of 01111110.

1) ALL ONES

2) FLAGS

Send/Rec LLB BOP: This option enables the Line Loopback Bit-Oriented

Protocol (LLB BOP) to use FDL loopbacks for testing the T1 line.

Yes or No

(Y/N)

Send/Rec PLB BOP: This option enables the Payload Loopback Bit-Oriented

Protocol (PLB BOP) to use FDL loopbacks for testing the far-end CSU.

Yes or No

(Y/N)

Exits the FDL Configuration menu and return to the T1 Port Configuration

Menu, Figure 3-4, Table 3-5.

Command Description Options

-- QPRI CONFIGURATION MENU (TIMING OPTIONS)--

-- QPRI CONFIGURATION MENU (TIMING OPTIONS)---- QPRI CONFIGURATION MENU (TIMING OPTIONS)--

-- QPRI CONFIGURATION MENU (TIMING OPTIONS)--

Current card timing source: INTERNAL (PRIMARY)

Current card timing source: INTERNAL (PRIMARY)Current card timing source: INTERNAL (PRIMARY)

Current card timing source: INTERNAL (PRIMARY)

Source

SourceSource

Source Synchronization Auto Restore

Synchronization Auto RestoreSynchronization Auto Restore

Synchronization Auto Restore

PRIMARY

PRIMARYPRIMARY

PRIMARY PS) NET1

PS) NET1PS) NET1

PS) NET1 PA) YES

PA) YES PA) YES

PA) YES

SECONDARY

SECONDARYSECONDARY

SECONDARY SS) NET2

SS) NET2SS) NET2

SS) NET2 SA) YES

SA) YES SA) YES

SA) YES

TERTIARY

TERTIARYTERTIARY

TERTIARY TS) INTERNAL

TS) INTERNALTS) INTERNAL

TS) INTERNAL TA) NO

TA) NO TA) NO

TA) NO

R) Receive clock from shelf: NO

R) Receive clock from shelf: NOR) Receive clock from shelf: NO

R) Receive clock from shelf: NO

X) exit this screen

X) exit this screenX) exit this screen

X) exit this screen

[1,2] QPRI >

[1,2] QPRI >[1,2] QPRI >

[1,2] QPRI >

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 84 85

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Verilink QPRI 2921 (880-503143-001) Product Manual Manual de usuario Pagina 44

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