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NEC DS1000 Correspondence Course Workbook

NEC DS1000
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DS1000/2000 Correspondence Course
DS2000 System Installation
112 DS1000/2000 Workbook NEC America
Installing the 2-OPX Module on the DS2000 System
The 2-OPX Module (P/N 92177A) provides two 2500 type analog circuits
for connection to on-premise 2500 type single line devices (i.e., telephones,
fax machines, modems, voice mail, etc.) and to telco OL13B/C OPX circuits.
It uses a single digital extension circuit for the power and signaling for both
analog ports.
To install a 2-OPX Module:
1. Locate an 8-pin modular connector in a trunk block or station block.
Local codes may prevent you from using a connector on the trunk
block for optional equipment.
2. For the connector chosen, cross-connect the associated wire pair from
the station or trunk block to the cross-connect block.
3. Install a modular jack for the 2 OPX Module within six feet of the mod-
ules location.
4. Run one-pair 24 AWG station cable from the cross-connect block to the
modular jack.
5. Terminate the station cable WHT/BLU - BLU/WHT leads to the RED
and GRN lugs in the modular jack.
6. Install bridging clips as required.
7. Ground the 2-OPX Module by connecting a 12 AWG ground wire from
the FG lug to a known earth ground.
8. Plug a line cord into the 2-OPX unit and the 2-OPXs modular jack.
The DS1 LED on the 2-OPX Module lights steadily.
Programming 2-OPX Modules:
1801: Extension Circuit Type
Assign the 2-OPX extension circuit type 21.
The 2-OPX Module uses a single port.
The first 2-OPX Module extension number is the same as the exten-
sion to which the unit is connected. The second extension is the first
number plus 201. For example, the 2-OPX Module connected to
extension 350 has extension numbers 350 and 451.

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NEC DS1000 Specifications

General IconGeneral
BrandNEC
ModelDS1000
CategoryTelephone
LanguageEnglish

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