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Section 365–262–205

16

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.

12.

SPECIFICATIONS

12.1

Electrical

The electrical characteristics of the 3652-62 and 3652-68 are as follows:

12.1.1. Transmission (Single-Ended)

(a) PERMISSIBLE MODE: 4T-4T.

(b) 4-WIRE IMPEDANCE: 600 ohms.

(c) LINE SIDE LEVELS: Transmit (fixed), +5.2dBm TLP; receive (fixed), +5.2dBm TLP.

(d) DROP SIDE LEVELS: Transmit input, –22.5dBm minimum, +10.0dBm maximum; receive output,

–22.5dBm minimum, +10.0dBm maximum.

(e) 1000Hz GAIN: Transmit (fixed), –4.8dB; receive (fixed), –27.7dB.

(f) ADJUSTABLE GAIN: Transmit, 0.0dB minimum, 32.5dB maximum in 0.1dB steps; receive, 0.0dB

minimum, 32.5dB maximum in 0.1dB steps.

(g) TRANSMIT AND RECEIVE PATH FREQUENCY RESPONSE (REFERENCED AT 1kHZ):

Frequency (Hz)

XMT (dB)

RCV (dB)

60

–14 maximum

––

200

+0.15 to –2

0 to –1

300

+0.15 to –0.15

+0.15 to –0.15

1000

0 (REF)

0 (REF)

3000

+0.15 to –0.15

+0.15 to –0.15

3400

0 to –1.5

0 to –1.5

4000

–14 maximum

–14 maximum

4600

–32 maximum

–28 maximum

(h) TRANSMIT/RECEIVE IDLE NOISE: 20dBrnC0.

(i) LEVEL TRACKING: –37 to +3dBm0, 

0.25dB; –50 to –37dBm0, 

0.5dB.

(j) M-LEAD RESISTANCE: 1000 ohms maximum.

(k) LOSS STABILITY: 

0.5dB.

(l) RETURN LOSS AT NOMINAL IMPEDANCE: 28dB minimum at 1kHz; 23dB minimum at 300Hz to

3kHz.

(m) ENVELOPE DELAY DISTORTION:

Summary of Contents for 3652-62

Page 1: ...it 3652 68 4 Wire E M with PLR and ER Channel Unit Complies with UL Standard 1459 Second Edition 3652 68 Only CONTENTS PAGE Part 1 GENERAL 2 Part 2 INSPECTION 3 Part 3 APPLICATION GUIDELINES 3 Part 4...

Page 2: ...editorial update 1 3 Equipment Function 1 4 Equipment Location Mounting Occupies one channel unit slot of a Charles Industries 360 363 D4 Digital Carrier Terminal 1 5 Equipment Features The 4W E M PLR...

Page 3: ...protective bags with uncoated cartons for shipping or storage of channel units CAUTION 3 APPLICATION GUIDELINES The 4W E M PLR channel units allow versatility for use in many applications These units...

Page 4: ...Z Z2 ZC OPEN FC OPEN E2 M2 E2 M2 360 363 D4 TERMINAL 360 363 D4 TERMINAL OPTION SETTINGS OPTION SETTINGS Figure 4 Typical Tandem FX Application DETECTOR M LEAD DETECTOR TRUNK CIRCUIT 4W E M 3652 XX M...

Page 5: ...TECTOR circuit 4 3 1 E M Signaling Transmit In E M signaling an off hook condition battery on the M lead is applied to the M LEAD DETECTOR circuit via the NORM BUSY switch This causes a logic 1 state...

Page 6: ...1 N2 NOTE 19 M1 M2 M3 NORM NOTE 21 XMT PRESCRIPTION GAIN 0 T0 32 5dB IN 0 1dB STEPS RCV TLP 5 2dBm NORM BUSY DROP LINE E M DROP LINE BUSY X 1 PC board connector pin 2 Primary transmission path 3 Signa...

Page 7: ...XMT PRESCRIPTION GAIN 0 T0 32 5dB IN 0 1dB STEPS RCV TLP 5 2dBm NORM BUSY DROP LINE E M DROP LINE BUSY X 1 PC board connector pin 2 Primary transmission path 3 Signal flow direction 4 Front panel mar...

Page 8: ...owing functions Disconnect M lead E lead in tandem mode from the office equipment Turn on BUSY LED on front edge of units Applies a busy condition on the E lead M lead for tandem mode to the office eq...

Page 9: ...unit is removed from its mounting slot the E lead Pin 4 and the E2 lead Pin 2 are grounded through a shorting contact in the backplane connector A busy condition is transmitted to both far end E lead...

Page 10: ...the state of the E lead sent toward the trunk circuit during a carrier failure One of three trunk processing modes can be selected E lead to transmit an idle state then change to a busy state 2 5 sec...

Page 11: ...umper over the appropriate pins within that option grouping to obtain the desired operation 7 1 Switch S1 NORM BUSY Place the NORM BUSY switch to the NORM position to condition the channel unit for no...

Page 12: ...e M2 lead and send a busy condition to the far end 7 7 Push On Jumper Option P1 P2 P3 E Lead Conditioning and W1 W2 W3 E2 Lead Conditioning 3652 62 Only Trunk Processing During a Carrier Failure To co...

Page 13: ...V position S4 ON or OFF Provide up to 1 5dB of gain to the transmit and receive path when all the switches of S4 are ON S5 ON or OFF Provide up to 32 5dB of gain to the transmit and receive path when...

Page 14: ...ccommodate an input TLP range from 10 0 to 22 5dBm To ad just the transmit path to the proper operating level the difference between 10 0 and the transmit TLP at T R must be obtained XMT GAIN 10 0 TLP...

Page 15: ...e 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 u...

Page 16: ...LEVELS Transmit fixed 5 2dBm TLP receive fixed 5 2dBm TLP d DROP SIDE LEVELS Transmit input 22 5dBm minimum 10 0dBm maximum receive output 22 5dBm minimum 10 0dBm maximum e 1000Hz GAIN Transmit fixed...

Page 17: ...ion Ratio dB 0 to 30dBm0 35 minimum 40dBm0 29 minimum 45dBm0 25 minimum r TLP RANGES Transmit 22 5 to 10dBm receive 22 5 to 10dBm s OPERATING ENVIRONMENT Temperature 32 to 122 F 0 to 50 C 12 1 2 Elect...

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