Verilink IMUX (880-503137-001) Product Manual Uživatelský manuál stáhnout pdf (Strana 36)

Performance Monitoring

4-4 Verilink IMUX User Manual

Table 4-3 IMUX Performance/Status Menu

The

Performance/Status Menu

customizes to reflect the data port

type. The HSSI interface includes three additional elements,

described below.

HSSI Interface

The HSSI display has three elements that are not available in the

V.35 display. These elements reflect the status of HSSI defined

signal lines:

•

DTR

•

Loopback A

•

Loopback B

These loopback codes can be sent by the DTE (ex. router) to request

actions on the DCE (IMUX). These lines are monitored and their

state is reflected in this menu.

The DTR reflects the status of the DTE Ready signal that was

explained under configuration of automatic and manual mode

operation.

Field/Command Description

Data Port Type Displays the type of data port. Options are: HSSI or V.35.

AIS Pattern Displays the status of the AIS (Alarm Indication Signal) Pattern. Options are: enabled

or disabled.

Loopback Displays an active loopback, if any.

Lines Equipped An “X” shows the status of each line configured for use by the selected IMUX card.

Lines Active Shows which lines are in use by the selected IMUX card. The IMUX card uses a line

only if Frame Sync and Clear To Send signals are active.

Frame Sync Shows that the selected IMUX card has recognized and synchronized with the IMUX

frame structure on the incoming (RX) signal on these lines.

CTS Received The selected IMUX card has received confirmation of frame detection and

synchronization by the far-end IMUX card on these lines via IMUX Frame signalling

bits.

CRC Error Shows a CRC (Cyclic Redundancy Check) error was detected in one or more of a

group of five IMUX frames on these lines.

Far CRC Error Shows a CRC error was detected by the far-end IMUX card in one or more of a group

of five IMUX frames on these lines.

A AIS Pattern—selects the AIS (Alarm Indication Signal). Valid options are: disabled, all

ones, or all zeros. Generally “all ones” is the preferred AIS.

E Equipment Loopback (ELB)—Activates or deactivates the equipment loopback. A

equipment loopback is a loopback at the synchronous serial interface that faces the

local DTE only. See

Table 5-2

P Payload Loopback (PLB)—Activates or deactivates PLB. A payload loopback faces the

M1-3 multiplexer and through it, the far end IMUX. See

Table 5-2

X Main Menu—Return to the

Main Menu

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 47 48

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