Pub. 42004-787L2A
SP2 Zone 2/22 Weatherproof Handset/Speaker Amplifier Station
Page 6 of 21
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Termination PCBA Connections
Install all connections as indicated in the following sections:
Figure 4. SP2 Standard Termination PCBA
(Optional 70V/100V Termination PCBA Similar)
Direct Speaker Connection and Jumper Settings
Terminal block
TB1
provides termination for the station’s 8 or 16-ohm remote speaker(s).
3.
Pull the speaker cable(s) into the enclosure.
4.
Connect spade lugs to the wires.
5.
Install the speaker wires to terminal block
TB1
in accordance with the table below.
6.
Torque the terminal block screws to 8–10 in·lb (0.90–1.13 N·m).
7.
Configure the speaker jumpers;
P2
and
P3,
for the appropriate impedance for use with 8-ohm or 16-
ohm speakers (see Figure 4 and Figure 5).
A redundant set of terminals is provided for a second speaker branch that can be connected in series or
parallel with the primary speaker.