CPI Communications LE Series - Manual (Page 2)

CONTENTS
1.0 SPECIFICATIONS Subject to change without notice.
Power Requirements 12 VDC to 16 VDC @ 35 mA idle, 175 mA maximum. Fused on circuit
board.
Receive Audio Input Level 88 mVRMS to 880 mVRMS to provide full speaker output.
Audio Output to Speaker 1 Watt into 8 ohms with 13.8 VDC supply or using -WP option.
Transmit Audio Output 2 mVRMS to 565 mVRMS into 600 ohms.
Frequency Response +/- 3dB from 300 to 3000 Hz. 1000 Hz reference.
Dimensions 9" x 4" x 7" inches
Weight LE10 - 3 lbs, LE20 - 4 lbs, LE30 - 3 lbs, LE40 - 4 lbs. WP Option - 1 lb.
Connections Screw terminal block for radio connections. 4 pin modular jack for handset.
6 pin modular jack for desk microphone.
PTT Output Solid state to ground, can sink up to 2.5 amps. Keying to plus voltage
available as an option.
Monitor Output Normally closed or normally open relay contacts activated by hook switch or
optional push button.
F1/F2 Select (Optional) Latched or momentary, N.O. or N.C. relay contacts.
Intercom (Optional) Optional momentary push button activated circuit that allows audio transmis-
sions between local extensions with out keying the radio. May be used on or
off-hook.
Section-Topic ........................................... Page #
1.0 - Specifications .......................................... 1
2.0 - General Description ................................. 2
3.0 - Installation Considerations ....................... 2
3.1 - Connections ............................................ 2
3.2 - Jumper settings ....................................... 3
3.3 - Dip switch settings ................................... 4
3.4 - Setting levels .......................................... 4
4.0 - Parts List ................................................. 4,5,6
5.0 - Top PCB Layout ...................................... 7
5.1 - Top PCB Schematic ................................ 8
5.2 - Bottom PCB Layout ................................. 9
5.3 - Bottom PCB Schematic ........................... 10
6.0 - Warranty ................................................. 11
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