Talkswitch 24-CA Connecting devices to the music jack on, Address jack on, Serial connection on

Connectors	Purpose
MUSIC	The music connector is a 1/8" (3.5mm) phono jack used
	as an audio input for the music on hold feature. Mono
	cables are recommended. For more information, see 1.8.3
	Connecting devices to the music jack on page 21.
PA	The PA (public address) connector is a 1/8" (3.5mm)
	phono jack used as an audio output for the external
	paging feature. Mono cables are recommended. For more
	information, see 1.8.4 Connecting to the PA (public
	address) jack on page 21.
LAN	The LAN connector is an RJ-45 port used for unit
	configuration via the PC, unit LAN networking, and VoIP
	capability. For more information, see 1.7.1 Ethernet
	connection on page 9, 1.9 Networking TalkSwitch units on
	a LAN on page 21 and Chapter 5: VoIP Information
	starting on page 155.
	There are 3 green LEDs on the right of the LAN port. The
	top LED indicates network synchronization (connection),
	the middle LED indicates data Rx (receiving data) and the
	bottom LED indicates data Tx (transmitting data).
E1-E4	The extension connectors are RJ-11 ports used for
E5-E8	connecting phones and other analog devices. For more
	information, see 1.8.2 Connecting local extension
	telephones and other devices on page 16.
L1-L2	The line connectors are RJ-11 ports used for connecting
L3-L4	incoming phone lines. For more information, see
	1.8.1 Connecting incoming telephone lines on page 16.
	Plug in your RJ-11 telephone lines, beginning with L1. If
	you have two lines out of one phone jack, you will
	require a dual-to-two-single-line adapter or replace the
	two-line cord with two single-line cords. Note that L3
	and L4 do not exist on units with only two incoming line
	connectors.
	Use a surge protector if you live in an area prone to
	lightning strikes.
USB	The USB connector is a standard USB port used for
	connecting to a PC for unit configuration. For more
	information, see 1.7.2 USB Connection on page 10.
SERIAL	The serial connector is a RS-232 port used for
	configuration via the PC. For more information, see
	1.7.3 Serial connection on page 11.

4 T A L K S W I T C H US E R G U I D E • N O R T H A M E R I CA