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Section 365–001–201

10

11.

WARRANTY & CUSTOMER SERVICE

11.1

Warranty

Charles Industries, Ltd. offers an industry-leading, 5-year warranty on products manufactured by Charles Indus-
tries. Contact your local Sales Representative at the address or telephone numbers below for warranty details.
The warranty provisions are subject to change without notice. The terms and conditions applicable to any specific
sale of product shall be defined in the resulting sales contract.

Charles Industries, Ltd.
5600 Apollo Drive
Rolling Meadows, Illinois 60008–4049
847–806–6300 (Main Office)
847–806–6231 (FAX)

11.2

Field Repairs (In-Warranty Units)

Field repairs involving the replacement of components within a unit are not recommended and may void the war-
ranty and compatibility with any applicable regulatory or agency requirements. If a unit needs repair, contact
Charles Industries, Ltd. for replacement or repair instructions, or follow the 

Repair Service Procedure below.

11.3

Advanced Replacement Service (In-Warranty Units)

Charles Industries, Ltd. offers an “advanced replacement” service if a replacement unit is required as soon as
possible. With this service, the unit will be shipped in the fastest manner consistent with the urgency of the situa-
tion. In most cases, there are no charges for in-warranty repairs, except for the transportation charges of the unit
and for a testing and handling charge for units returned with no trouble found. Upon receipt of the advanced re-
placement unit, return the out-of-service unit in the carton in which the replacement was shipped, using the pre-
addressed shipping label provided. Call your customer service representative at the telephone number above for
more details.

11.4

Standard Repair and Replacement Service (Both In-Warranty and Out-Of-Warranty Units)

Charles Industries, Ltd. offers a standard repair or exchange service for units either in- or out-of-warranty. With
this service, units may be shipped to Charles Industries for either repair and quality testing or exchanged for a
replacement unit, as determined by Charles Industries. Follow the 

Repair Service Procedure below to return units

and to secure a repair or replacement. A handling charge applies for equipment returned with no trouble found. To
obtain more details of this service and a schedule of prices, contact the CI Service Center at 217–932–5288 (FAX
217–932–2943).

Repair Service Procedure

1.

Prepare, complete, and enclose a purchase order in the box with the equipment to be returned.

2.

Include the following information:

– Company name and address
– Contact name and phone number
– Inventory of equipment being shipped
– Particulars as to the nature of the failure
– Return shipping address

3.

Ship the equipment, purchase order, and above-listed information, transportation prepaid, to the ser-
vice center address shown below.

CI Service Center
Route 40 East
Casey, IL 62420–2054

4.

Most repaired or replaced units will be returned within 30 or 45 days, depending on the product type
and availability of repair parts. Repaired units are warranted for either 90 days from the date of repair
or for the remaining unexpired portion of the original warranty, whichever is longer.

Содержание 3650-01

Страница 1: ...ein subject to change without notice Page 1 of 12 3650 01 03 2 Wire Equalized Transmission Only Channel Units with Lead Conditioning 2W ETO w LC CONTENTS PAGE Part 1 GENERAL 2 Part 2 INSPECTION 2 Part...

Страница 2: ...brid balancing compromise network of 2 15 uF in series with 900 ohms 3650 01 or 600 ohms 3650 03 Built in jack J3 to mount an optional 3690 00 10 compromise network subassembly or an optional 3690 01...

Страница 3: ...n 4 CIRCUIT DESCRIPTION Refer to the block diagram in Figure 3 while reading the following circuit description 4 1 Transmit VF Path VF signals applied to the input tip and ring leads pins 50 and 48 ar...

Страница 4: ...Section 365 001 201 4 Figure 3 Block Diagram...

Страница 5: ...coding close option YC 10 Coil type test point 22 Screw options AC BC and JC are used to provide sealing cur rent Close Option Open Option Function AC BC JC Supply sealing current to the loop JC AC BC...

Страница 6: ...es and connector to verify proper alignment and the absence of foreign material CAUTION Use the following steps to mount the unit Step Action 1 Align the channel unit with the appropriate card guided...

Страница 7: ...acing all of the jumpers in the OUT position results in 0 dB attenuation 7 5 RCV Attenuation push on jumpers Eight push on jumpers select up to 16 5 dB attenuation in 0 1 dB increments for adjusting t...

Страница 8: ...ttenuation when all jumpers are in the IN position See part 7 5 A Set to the OPEN position if jack J3 is equipped or if an external PBN BOC is used Open Closed AC BC JC For external sealing current at...

Страница 9: ...t TLP range from 6 to 10 5 dBm To adjust the receive path to the proper operating level the difference between 6 and the receive TLP at T1 and R1 must be obtained RCV ATTN 6 TLP For an output TLP of 1...

Страница 10: ...n the out of service unit in the carton in which the replacement was shipped using the pre addressed shipping label provided Call your customer service representative at the telephone number above for...

Страница 11: ...0 49 to 0 24 3400 0 to 1 2 0 to 1 2 4000 14 minimum 14 minimum 5100 32 minimum 32 minimum g Longitudinal balance 62 dB or less at 200 Hz to 1 kHz 60 dB or less at 3 kHz h Signal to distortion ratio 3...

Страница 12: ...cifications are shown in Table 3 Table 3 Physical Specifications Feature U S Metric Height 4 2 inches 10 6 centimeters Width 1 35 inches 3 4 centimeters Depth 10 3 inches 26 7 centimeters Weight 16 ou...

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