Full Duplex Handsfree (FDHF) Accessory on the M3904 103During a call, you can remove or insert the FDHF cartridge into the ACMwithout interrupting the established call. If you remove the FDHF cartridge,the set returns to half-duplex operation.Status light indicatorA red LED status light on the FDHF cartridge indicates the status of thecartridge as follows:• Flashing red - the cartridge is operating normally.• Solid red - the cartridge is not operating normally. Contact yournetwork administrator.• Red light off - there is no power going to the cartridge or the cartridgeis not operating correctly. Check the power connection to the cartridge.If the condition continues, contact your network administrator.Meridian SL-100 configuration proceduresTable 23 "Add a new M3904 set with handsfree enabled in SERVORD"(page 103) and Table 24 "Enable handsfree on an existing M3904 set inSERVORD" (page 103) show examples of the SERVORD commands youuse to configure the Meridian SL-100 FDHF on new and existing M3904sets.Table 23Add a new M3904 set with handsfree enabled in SERVORDPrompt Response DescriptionSO: new Enter new if the telephone is not currentlyconfigured....HANDS_FREE y Enter "y" for yes.Table 24Enable handsfree on an existing M3904 set in SERVORDPrompt Response DescriptionSO: Chf Change feature on existing M3904 set....OPTKEY 1 Enter the primary DN key #.OPTION: hndsfree Enter "hndsfree" for Handsfree operation.HANDS_FREE: y Enter "y" for yes.The M3904 must be NTMN34GA or later vintage. If you are replacingan existing M3904 that has handsfree enabled, you do not require aSERVORD change.Nortel Communication Server 2100M3900 Series Meridian Digital Telephones User GuideNN42200-110 09.01 Standard20 August 2008Copyright © 2008 Nortel Networks.
