Instruction Manual LE Series Local Extensions Rev. C LE10 LE20 LE30 LE40 CPI Communications, Inc.
CONTENTS Section-Topic ........................................... Page # 1.0 2.0 3.0 3.1 3.2 3.3 3.4 4.0 5.0 5.1 5.2 5.3 6.0 - Specifications .......................................... - General Description ................................. - Installation Considerations ....................... - Connections ............................................ - Jumper settings ....................................... - Dip switch settings ................................... - Setting levels .......................
2.0 General Description The LE series local extensions are designed to provide remote control of an in-house conventional or trunked two way radio base station or repeater from a distance of up to 1000 feet. The LE series is available in four different housing configurations. They are: the LE10 telephone style unit with handset, the LE20 desktop console with desk microphone, the LE30 desktop console with built in electret condenser microphone and the LE40 desktop console with goose neck microphone.
Table 2 Terminal # Function Description 1 Parallel F1/F2 Allows Local Extensions to track parallel local extension or the channel display on a two channel radio. If tracking parallel local extensions, TB2-1 of all units should be connected together. If tracking the radio display, connect to a point in the radio that is greater than 3 VDC when the radio is on channel two. 2 Common Common connection of the SPDT F1/F2 relay. 3 F1 N.C. connection of the SPDT F1/F2 relay. 4 F2 N.O.
3.3 Dip Switch Settings Table 4 describes the functions provided by the dip switch on the bottom of the unit. The factory setting are underlined. Table 4 Switch # ON OFF 1 Low impedance load to radio RX out. High impedance load to radio RX out. 2 OPTION - Latched F1/F2 output. OPTION - Momentary F1/F2 output. 3 Monitor on front panel PTT. Do not monitor on front panel PTT. 4 Speaker mute on any PTT. Depends on setting of JP15. 5 Boosts level of parallel TX audio received.
Reference Description CPI Part # TRANSISTORS Q1,4,6 Q5,8 Q7 Q9 2N2907 PNP Transistor MJE520 NPN Transistor 2N2222 NPN Transistor 2N7000 240-2907-000 212-0001-002 240-2222-000 240-7000-000 10K 5% 1/4 Watt 242-0001-103 47K 5% 1/4 Watt 242-0001-473 100 5% 1/4 Watt 100K 5% 1/4 Watt 242-0001-101 242-0001-104 51K 5% 1/4 Watt 390 5% 1/4 Watt 5.1K 5% 1/4 Watt 3.9K 5% 1/4 Watt 24K 5% 1/4 Watt 12K 5% 1/4 Watt 22K 5% 1/4 Watt 470K 5% 1/4 Watt 1.3Meg 5% 1/4 Watt 220 5% 1/4 Watt 1.2K 5% 1/4 Watt 1.
Reference Description CPI Part # F1 TB1 TB2 S1 (LE10) .
P C B View - C ontrol P anel #700-00F P -200 C omponent S ide R1 LS 1 JP1 D1 S4 REV C F R ONT PANE L X1 S2 CPI C OMMUNIC AT IONS C 1993 D2 S3 D3 700-00F P -200 J1 S1 S /N 1PJ 1 SL 1R 1D 4S 3D 1J L ENAP TN O R F C VER 0 0 2- P F 0 0- 0 0 7 1X 2S I P C 3991 C S N O I TA C I N UMM O C 1S 2D N/ S S older S ide 3S
1 2 3 4 A VC C MONITOR HE ADE R 5 5 4 3 2 1 B F2 LE D G R N D3 OF F -B OAR D. LOC AT E D B OR G T HIS PAR T IS E NC ODE R INP UT INT E R C OM JP1 K S 11R 9 K S 11R 9 V IO GR N S2 PTT 10K P O T R1 WHT S1 T HIS PAR T IS LOC AT E D OF F -B OAR D. A LS 1 B LK C ON26A 1 3 5 7 9 11 13 15 17 19 21 23 25 J1 S P E AK E R C 2 4 6 8 10 12 14 16 18 20 22 24 26 C VC C Da te: S iz e A T itle F1 LE D G R N D1 WM54B T X1 PTT C P I C ommunica tions , Inc.
8 7 6 5 4 3 2 1 R4 VB R71 R30 R31 2200 PF R21 .1uF 12K 10K 22K 47K R28 HANDSET EARPIECE AUDIO ADJUST U3A 4066 2 R5 1 2 R3 To J1-3 EARPIECE C2 1 3 25K R6 100 22uF C1 .1uF LF 347 13 R32 1.2K 1 R29 220 To J2-1 VOL HI + 100K 2.7 220uF C23 U1A 2 14 C10 RX HI To TB1-1 B+ - 3 C5 VB U3B 4066 To J2-2 VOL WPR C13 11 2 + 6 - R50 10 51K U1C 10 16 R55 100K R33 100K 4 1 C21 .01uF C19 4.7uF LF 347 *-INDICATES SWITCH IS FACTORY SET IN THE CLOSED POSITION.
Location of externally adjus table controls . Model # S erial # A s s embled by Tes ted by Mod J ack P ac ked by R 89 R X Input Dip S witch R 96 E arpiece Adj. C OMMUNIC AT IONS , INC . 1186 C OMME R C E DR IV E , R IC HA R DS ON, T X.
6.0 Warranty CPI Communications, Inc.
