GAI-Tronics ITR1000-001, Руководство пользователя и инструкция по установке

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ITR1000-001 Basic Tone Remote Desk Set Installation
13 02/12
Line Connections
To make the required line connections, a cable with a tinned bare leads stripped to about 3/8-inch or pin
terminal is necessary. With the housing opened, route the lines through the slot in the housing bottom.
Using a small slotted screwdriver, connect the Line 1 two-wire line to the TS1 terminal block on the
main circuit board at terminal positions 3 and 4. Connect the Line 2 two-wire line to the TS1 terminal
block at positions 1 and 2.
Several desk sets can be connected in parallel. The maximum loss between any two desk sets, or
between a desk set and the station, should not exceed 20 dB. Desk sets are shipped with line termination
enabled. With parallel units connected, only the farthest desk set unit should be terminated. Setting
SWA-6 to off enables line termination; setting SWA-6 to on disables line termination. Refer to “SWA
Switch Settings” table in the “Description” section of this manual.
Line Considerations - Private Circuit
If leased lines from your local telephone company are used between the desk sets and the ITA2000 or
similar tone remote adapter, the telephone company (Local Exchange Carrier) may request a Facility
Interface Code (FIC). The FIC is subject is to local availability.
Analog Facility Interface Code
FIC Description
02NO2 2-wire private line; no signaling conversion by LEC (IN-Band)
Within a manufacturing plant, a campus, or large building, customer-supplied metallic pairs may be used.
It is not necessary to have dc continuity on these lines.
Circuit Conditioning
The desk set is designed to work with good-quality analog speech band or leased private circuit. This
was previously known as ‘basic’ conditioning under Series 2000/3002 service. The line must be
non-PSTN (no dial tone, talk-battery, or signaling).
This equipment falls under the Category II, FCC Tariff #260 Service and is exempt from FCC Part 68
registration. (Ref. FCC Form 730 Application Guide pages 1–5.)
For 2-wire operation, 2000 Series lines may be used with or without conditioning. C1 or C2 conditioning
is available for these lines and relates to the envelope delay distortion and attenuation. A basic
conditioned line may be used if it is the only type available. Overall system quality is limited by the
quality of these lines.