GAI-Tronics LE200, LE200-FSR, LE200-FLR Page/Party Line Extenders - Manual (Page 40)

Pub. 42004-701L2F
M ODEL LE200 S ERIES W ALL -M OUNT P AGE /P ARTY
®
L INE E XTENDERS P AGE 38 of 50
f:\standard ioms - current release\42004 instr. manuals\42004-701l2f.doc
04/09
Table 41. Main Processing PCBA (Model 69443-xxx)
Refer to Figure 4 for component locations.
Designator Type Function
J1 RJ45 receptacle LVDS data “out”
J2 RJ45 receptacle LVDS data “in”
J3 DB-25
connector Connect to J1 on Input/Output Termination PCBA (Model 69442-
xxx) via 25-pin ribbon cable.
J4 DB-25
connector Connect to J1 on Page/Party
®
Termination PCBA (Model 69441-
xxx) via 25-pin ribbon cable.
P1 N/A Not installed
P2 Post header No connection - used during production testing of PC board)
P3 N/A Not installed
P4 Post header No connection - used during production testing of PC board)
P5 Jumper clip Page line ground fault detector enabled/disabled.
P6, P7 Jumper clip Party line #5 off-hook detector enabled/disabled.
P8, P9 Jumper clip Party line #4 off-hook detector enabled/disabled.
P10, P11 Jumper clip Party line #3 off-hook detector enabled/disabled.
P12, P13 Jumper clip Party line #2 off-hook detector enabled/disabled.
P14, P15 Jumper clip Party line #1 off-hook detector enabled/disabled.
P16 Terminal block Page line monitor output - Terminals 1 and 3
No connection - Terminal 2
P17, P18 Terminal block Power 48 V dc (+) - Terminal 1
Power 48 V dc (-) - Terminal 2
WARNING
Turn off power before connecting
and disconnecting.
P19 Terminal block T1/E1 Data TX (ring) - Terminal 1
T1/E1 Data TX (tip) - Terminal 2
T1/E1 Data RX (ring) - Terminal 3
T1/E1 Data RX (tip) - Terminal 4
P20 Jumper clip T1/E1 receive transformer center tap floating/grounded.
P21 Jumper clip T1/E1 transmit transformer center tap floating/grounded.
PB1 Push-button
switch Used to retrain the echo cancellation circuit.
SW1 Rotary HEX
switch Used for diagnostic purposes. Set to 0 during normal operation