Charles 3650-01 Скачать руководство пользователя страница 4 | Manualshive

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Section 365–001–201

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Figure 3. Block Diagram

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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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