XE5690SM-ITR Просмотр технического описания (PDF) - Xecom

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XE5690SM-ITR

Compact, Low-Cost Global Embedded Modem

Xecom 

XE5690SM Typical Connection Diagram

To Host Serial Port

VCC

(15) VCC

(14) /DCD

(13) /CTS

TIP(1)

RING (2)

(12) /DSR

C1

(11) /RTS

(10)/RXD

(9) /TXD

(8) /DTR

(7) /RI

/INT (3)

/RESET (4)

SPKR (5)

Gnd (6)

To System Reset

To System Interrupt

F1

C2

Parts List for XE5690SM Typical Connection Diagram

Reference

Designation Qty

C1, C2

2

F1

1

Description

Cap. 1000 pfd, 1500V minimum

PTC, TR600-150

RJ11

Notes:

1 Capacitors, C1 and C2, may be required for EMI filtering in your system. Without these components

you may experience unintended radiation when the telephone cable is attached. C1 and C2 are high-

voltage capacitors. We recommend the Johanson Dielectrics 502S47N102KV6T. This 1000 pfd, 3000

volt capacitor will direct the high frequency harmonics to the system ground. These capacitors must

be rated at a minimum of 1500 volts to maintain the isolation required by FCC Part 68 Rules.

3. F1 is a positive thermal coefficient (PTC) device which protects the modem from excessive current

flow. These devices are required for your system to pass UL60950. Fuses may be used in place of the

PTC’s

XECOM

(8)

XE5690SM

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