Connecting Power Supply; Connecting An External Deskset Microphone Or Footswitch - Motorola MC3000 Operating And Installation Manual

Installation

Connecting Power Supply

Connecting Power Supply
All power connections are made to the 9-pin mini-DIN connector PWR1 labeled "12V DC"
on the back right-hand side of the bottom housing. The power source must supply
between 10.5 and 16 volts dc and 0.5 amperes per deskset.

Connecting an External Deskset Microphone or Footswitch

Connecting an external deskmic or footswitch will disconnect the deskset's internal micro-
phone.
Connect the desk microphone to two connectors J1and J3 at the back of the deskset. The
footswitch is connected to the 3-pin connector J1 labeled "Footswitch". The headset or
deskmic is connected to the 8-pin RJ45 connector J3 labeled "Deskmic Headset" at the
back of the deskset. The pins are numbered in ascending order from top to bottom and left
to right.
2-12
Table 2-6: PWR 1 Power Supply Mini-DIN Pinout
Pin # Function
1 Ground
2 Not used
3 In_+ 12 V
4 Ground
5 In_+ 12 V
6 In_+ 12 V
7 Shield 1
8 Shield 1
9 Shield 1
Table 2-7: J1 Footswitch 3-pin Connector Pinout
Pin # Function
1 PTT
2 Ground
3 Monitor (not used)
MC3000 Digital Deskset Operator and Installation Manual
(6880309L15-A)