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DEFINITYEnterpriseCommunicationsServerandSystem75andSystem85
Terminals and Adjuncts Reference
555-015-201
Issue 11
December 1999
The 8400 Series Voice Terminals
12-6The 8403 Voice Terminal
12
Jacks
The 8403 voice terminal’s housing has a Line jack and a Handset cord jack
located on the back of the housing. There is also a Speakerphone/headset
adapter jack on the back of the set to which the user can connect adjunct
equipment.
Cords
Two cords are supplied with the 8403: a coiled 9-foot handset cord and a 7-foot
line cord.
Optional longer cords are available: a 12-foot handset cord and 14-foot and
25-foot line cords.
Ringing
The 8403 voice terminal has electronic tone ringing. With the Select Ring feature,
the user can choose any one of eight different ringing patterns. The set has a
Volume control button which controls the loudness of the ringer, the speaker, and
the handset.
Mounting Options
The 8403 voice terminal comes equipped with a nonadjustable desk stand.
However, the user may choose to remove the stand and then mount the voice
terminal on the wall.
Color Options
The 8403 voice terminal is available in black and in white.
Wiring Information
The 8403 voice terminal works in both 4-wire and 2-wire DCP configurations. The
table below describes the pins on an 8400-Series voice terminal LINE jack.
Table 12-1. The Pins on an 8400-Series Voice Terminal LINE Jack
Line Interface
Pin Pair Name Description
12 OD14-WireOutput
22 OD24-WireOutput
3 3 ID1 4-Wire Input
41 U-T 2-Wire(Tip)
5 1 U-R 2-Wire (Ring)