4
HEADSET
ON HOOK DIAL
KEY
HEADSET
ON HOOK DIAL
INDICATOR
HANDSET
CORD
2. GENERAL CONTROLS AND INDICATORS
MOUNTING
HOLES FOR
WALL BRACKET
RINGER
HIGH/LOW/OFF
SWITCH
TONE/PULSE
SWITCH
PBX RECALL
SWITCH
GAIN SWITCH
TERMINATION SWITCH
Figure 1
Bottom View of IQ350
LINE JACK
RINGER PITCH
CONTROL
HEADSET JACK
TBR E
B A ISDN
TBR TIMING
SWITCH
600 ms
200 ms
100 ms
COM 600
MEMORY KEYS
RINGER / MESSAGE
WAITING INDICATOR
PBX RECALL
KEY
MUTE KEY
MUTE INDICATOR
EARPIECE /
HEADSET /
SPEAKER
VOLUME
CONTROL
MW R
I
HEADSET
MIC. ADJUST
Top View of IQ350
HEADSET
POLARITY
SWITCH
