
System Programming Options
2-17
Setting Up Auxiliary Equipment 
The following programming procedures help you manage auxiliary equ ipment. 
See Chapter 4 for more information about auxiliary equipment configurations or 
refer to Chapter 5 for details on using the procedure: 
■Fax Machine Extensions (#601) identifies extensions to which fax 
machines are connected. 
■The Music-on-Hold feature uses the following procedures: 
—Music-on-Hold (#602) activates or deactivates the Music-on-Hold 
jack on the PARTNER ACS processor module. 
— When this jack is activated, an audio source is connected, and Ring 
on Transfer (#119) is set to Not Active, callers hear recorded music 
or messages while being transferred. 
—Music-on-Hold Volume (#614) controls the volume at which the 
music plays when the Music-on-Hold jack is active. Changes to this 
setting affect the many features that use Music-on-Hold: 
Background Music, Call Park, Call Waiting, Conference, 
Exclusive Hold, Hold, Transfer, and Transfer Return. 
—Background Music lets users with system phones (other than the 
MDC 9000 or TransTalk 9000-series phones) play the recorded 
material through their phone’s speaker when the phone is not in use.
■Hotline (#603) identifies internal hotline extensions, so when a person lifts 
the handset of the hotline phone, a predetermined 
extension number 
automatically rings. External Hotline (#311) identifies external hotline 
extensions, so when a person lifts the handset of the hotline phone, a 
predetermined 
outside phone number 
is automatically dialed.
■Doorphone Extension (#604 and #605) identifies extensions to which 
doorphones are connected. Doorphone Alert Extensions (#606) 
identifies extensions that signal when the doorphone button is pressed.
■The Contact Closure Adjunct, which plugs into a jack on the PARTNER 
ACS processor module and has two Contact Closures that can be used to 
control devices such as an electronic door lock or an alert, u ses the 
following procedures: 
—Contact Closure Group (#612) specifies which extensions can 
activate one or both of the Contact Closures on the Contact Closure 
Adjunct.
—Contact Closure Operation Type (#613) specifies the length of 
time that each Contact Closure remains active.
—Contact Closure F41 and F42 can be programmed on feature 
buttons so that the Contact Closures can be activated by pressing 
the buttons.