Specifications

Hardware and Software Parameters (continued)
Item
Small
Large
Remote Access
Number of barrier codes
16
16
Digits per code
4
4
Shared System Access (SA) buttons
Number of shared buttons per SA
16
16
Stations
Total physical jacks
56
144
Total endpoints
56
255
System programming equipment*
MLX-20L™
1
1
RS-232 port for PC with SPM
1
1
Modem
1
1
Telephones
Analog multiline without Voice
Announce to Busy
56
136
Analog multiline with Voice
Announce to Busy
28
127
MLX-20L
†
16
48
MLX-10,™ MLX-10D,™ or MLX-28D
(with or without ISDN 7500B Data
Module or Multi-Function
Module)
‡
24
127
Single-line
56
144
* Remote system programming overrides on-site system
programming unless an on-site backup or restore procedure is
taking place. The system sends a message that a remote
connection is established before terminating an on-site system
programming session.
† Total includes the MLX-20L telephone used for system
programming.
‡ An MFM and an ISDN 7500B Data Module cannot be
connected to the same telephone at the same time.
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