Verilink QUAD T1 (880-503345-001) Product Manual Manual de usuario descargar pdf (Pagina 34)

Configuration

3-8 Verilink QUAD T1 User Manual

Figure 3-4 Timing Menu

Set the options on the

Timing Menu

in the order in which they are

documented in Table 3-5. The PC, SC and TC commands appear

only when

receive clock from shelf

receive clock from shelfreceive clock from shelf

receive clock from shelf

is set to yes.

Table 3-5 Timing Menu Options

-- QUAD T1 CONFIGURATION MENU (TIMING OPTIONS)--

-- QUAD T1 CONFIGURATION MENU (TIMING OPTIONS)---- QUAD T1 CONFIGURATION MENU (TIMING OPTIONS)--

-- QUAD T1 CONFIGURATION MENU (TIMING OPTIONS)--

R) receive clock from shelf: yes

R) receive clock from shelf: yesR) receive clock from shelf: yes

R) receive clock from shelf: yes

Current shelf timing source: card 3, net 1 (secondary)

Current shelf timing source: card 3, net 1 (secondary)Current shelf timing source: card 3, net 1 (secondary)

Current shelf timing source: card 3, net 1 (secondary)

Source Slot Number Synchronization Auto Restore

Source Slot Number Synchronization Auto RestoreSource Slot Number Synchronization Auto Restore

Source Slot Number Synchronization Auto Restore

Primary PC) 6 PS) network PA) yes

Primary PC) 6 PS) network PA) yesPrimary PC) 6 PS) network PA) yes

Primary PC) 6 PS) network PA) yes

Secondary SC) 3 SS) net 1 SA) yes

Secondary SC) 3 SS) net 1 SA) yesSecondary SC) 3 SS) net 1 SA) yes

Secondary SC) 3 SS) net 1 SA) yes

Tertiary TC) 4 TS) net 1 TA) yes

Tertiary TC) 4 TS) net 1 TA) yesTertiary TC) 4 TS) net 1 TA) yes

Tertiary TC) 4 TS) net 1 TA) yes

X) exit this menu

X) exit this menuX) exit this menu

X) exit this menu

A [0.0.0.2] [1,3] QUAD T1 >

A [0.0.0.2] [1,3] QUAD T1 >A [0.0.0.2] [1,3] QUAD T1 >

A [0.0.0.2] [1,3] QUAD T1 >

Menu Option Description Instructions

R) receive clock

from shelf:

Used to select between using the timing table maintained

by the SCM, or using an independent clock source

within—or connected to—this module.

In most environments,

receive clock from shelf

should be set to

Yes

YesYes

Yes

PC) The slot number of the application module which will be

the primary clock source for this shelf. This module will

provide the clock signal used to drive the transmit clock

circuitry for all modules in the shelf that use T1 rate

clocks.

At the prompt, type the slot

number of the module

selected as the primary clock

source.

PS) Clock source within the module selected for the PC

option.

Select from the list of ports

available on the module.

PA) Enables or disables fallback to primary clock source after

a failed condition has cleared. If disabled, the SCM never

reverts to the primary clock source until an operator

changes this option.

Set to

Yes

YesYes

Yes

if the node is to

revert to a timing source

which failed, but is now OK.

SC) The slot number of the application module which will be

the secondary clock source for this shelf. If the primary

clock source fails, this module will provide the clock

signal used to drive the transmit clock circuitry for all of

the cards in the shelf which use T1 rate clocks.

At the prompt, type the slot

number of the module

selected as the secondary

clock source.

SS) Clock source within the module selected for the SC

option.

Select from the list of ports

available on the module.

SA) Enables or disables fallback to secondary clock source

after a failed condition has cleared. If disabled, the SCM

never reverts to the secondary clock source until an

operator changes this option.

Set to

Yes

YesYes

Yes

if the node is to

revert to a timing source

which failed, but is now OK.

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