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Demand test descriptions and error codes - Avaya Support

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OPS-LINE (DS1 Off-Premises Station Line)<br />

MO Name<br />

in Log<br />

Alarm<br />

Level<br />

OPS-LINE (DS1 Off-Premises Station Line)<br />

An analog Off-Premises Station (OPS) can be connected to the system through a DS1 link. A<br />

TN767 DS1 Interface circuit pack or a TN464 UDS1 Interface circuit pack can support up to 24<br />

DS1 OPS lines. Since the DS1 OPS is an analog telephone set, a channel multiplexer is<br />

necessary as the remote DS1 endpoint converts the digital signal of a DS1 port to the OPS Line<br />

<strong>and</strong> vice versa.<br />

The DS1 OPS Line Maintenance provides a strategy to maintain an OPS Line via a trunk port of<br />

the TN767 DS1 Interface circuit pack or the TN464 UDS1 Interface circuit pack. (Throughout<br />

this section, the term DS1 Interface can apply to either of these circuit packs.) The strategy<br />

covers initialization <strong>test</strong>s, periodic <strong>test</strong>s, scheduled <strong>test</strong>s, dem<strong>and</strong> <strong>test</strong>s, <strong>and</strong> alarm resolution<br />

<strong>and</strong> escalation. Two service states are specified in a DS1 OPS Line maintenance. They are:<br />

out-of-service, in which the line is in a deactivated state <strong>and</strong> cannot be used for either incoming<br />

or outgoing calls; or in-service, in which the line is in an activated state <strong>and</strong> can be used for both<br />

incoming <strong>and</strong> outgoing calls. If the DS1 Interface circuit pack is out-of-service, then every line<br />

on the DS1 Interface circuit pack is put into the out-of-service state, <strong>and</strong> a Warning alarm is<br />

raised.<br />

For maintenance of the remote DS1 endpoint (for example, a Channel Division Multiplexer or<br />

D4 Channel Bank), refer to the vendor’s maintenance documentation for details.<br />

Figure 51: DS1 OPS Line Interactions<br />

Initial Comm<strong>and</strong> to Run Full Name of MO<br />

OPS-LINE MIN <strong>test</strong> station extension l DS1 OPS Line<br />

DEFINITY<br />

Communications<br />

System<br />

WRN <strong>test</strong> station extension<br />

DS1<br />

DS1 LINK<br />

CHANNEL<br />

MULTIPLEXER<br />

ANALOG<br />

STATION<br />

ANALOG<br />

STATION<br />

Issue 5 May 2009 695

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