Model 3911 Modem Installation; Configuration Options - Paradyne COMSPHERE 3910 Regulatory Information

Comsphere 3900 series government requirements for great britain

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Model 3911 Modem Installation

To install the Model 3911 modem (carrier card) into the COMSPHERE 3000 Series Carrier, follow the same

installation procedures described in the Model 3911 Modem Installation section in Chapter 2 of Document

No. 3910-A2-GN32. For correct power, DTE, dial, and leased-line cabling procedures, refer to the

COMSPHERE 3000 Series Carrier, Installation Manual, Document No. 3000-A2-GA31.

Note that the Model 3911 supports the following features:

Carrier assembly

— 3000-B1-301 — COMSPHERE 3000 Series Carrier with 230 volt power transformer unit

— 3000-B1-701 — COMSPHERE 3000 Series Carrier with 200 volt power transformer unit

(Hong Kong)

Network Interface Modules (NIMs)

— 3000-F1-003 — RJ21X NIM without the Make Busy and Service Line feature

This section lists functions and configuration options that are unique to the operation of 3900 Series modems

installed in the United Kingdom. The information described in this section differs from what is listed in

Document No. 3910-A2-GN32.

Please note that if a function or configuration option is not listed in this supplement, then it is assumed that

your modem's functionality and operation follow what is described in Document No. 3910-A2-GN32.

Control Branch — Make Busy/Remove Make Busy Function

The Make Busy function, described in Chapter 3 of Document No. 3910-A2-GN32, is not offered in the

Model 3910 or 3911 modems (3910-A2-402 and 3911-B1-002) for the United Kingdom. If this function is

selected from the diagnostic control panel (DCP), the message Invalid Command appears.

Control Branch — Service Line/Disconnect Service Line Function

The Service Line function, described in Chapter 3 of Document No. 3910-A2-GN32, is not offered in the

Model 3911 modem (3911-B1-002) for the United Kingdom. If this function is selected from the DCP, the

message Invalid Command appears.

Configuration Tables

Tables 3, 4 and 5 describe configuration options that are different for 3900 Series modems installed in the

United Kingdom.

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Comsphere 3911