Meridian Nortel 1 Option 11C Technical Reference Manual page 295

The Key Expansion Module connects to the telephone through a ribbon cable
running from the base of the telephone. It is physically connected to the
telephone by the footstand.
Brandline Insert
The filler plate on the telephone or Display Module contains a removable
insert designed to accommodate custom labeling. You can order blank
Brandline Inserts and have a printer silk screen your company logo on them.
Brandline Inserts snap easily into and out of the filler plate.
Headset
The M2216ACD telephones are compatible with three electret headsets:
• Plantronics Polaris
• GN Netcom Profile
• NT Liberation
The M2216ACD-2 agent jack is compatible with any standard carbon
headset.
The headset interface of the M2216ACD-1 is adjustable to allow you to tune
the electrical characteristics to optimize performance, while the M2216ACD-
2 headset interface is fixed.
Any recording device connected to the receive path of a Meridian Modular
Telephone must meet these requirements:
• load impedance at least 8K ohms across the audio band
• connect in parallel across pins 3 and 4 of the handset/headset jack
• isolate power source from the headset/handset jack
M2006/M2008/M2616
the M2006, M2008 or M2616 telephone. Choose an amplified headset that
draws power from a battery or AC transformer (power is not provided by the
telephone). The amplifier must draw less than 400 micro amps from the
telephone jack.
The headset should be designed to work with a telephone jack with these
characteristics:
Meridian Modular Telephones
You can use an electret headset in the handset port of
Option 11C and 11C Mini
Page 295 of 544
Technical Reference Guide