• Interfaces DEFINITY Enterprise Communications Server (ECS) to a maximum of 16 analog voice terminals
• Supports bridging
• Supports both LED and neon Message Waiting Indicators (additional power may be required)
• Supports analog voice terminals in the same building or "in-range, out-of-building" (IROB) up to distances of 20,000 feet (out of building only w/certified protection equipment).

• 16 Digital Communications Protocol (DCP) ports that can connect to 2-wire terminals such as the 6400 and 8400 series digital voice terminals and 302B1 or 302C attendant consoles
• Also supports 8400 Series Data Modules

• Interfaces to 24 2-wire digital voice terminals
• Terminals must be located within 3500 feet of the main equipment location using 24 gauge cable
• Supports 302B1 and 302C consoles in a 2-wire mode
• Supports voice terminals in the same building as your DEFINITY System or IROB (with line protection

24 Port Analog Station Circuit Card

• Supports 24 analog telephones with Caller ID
• Caller ID only available on DEFINITY Release 8.2
• 24-Port analog supported on DEFINITY Release 6.3 and higher

• Records and stores announcements that can be played back on demand as part of a calling feature
• Required for Multiple Integrated Announcements feature
• Provides on-board flash memory to provide internal backup of the announcements on the board
• 16kbps compression rate (adequate for VDN of Origin Announcements)
• Provides a total capacity of 5210 seconds

• DEFINITY, System 75 G1, G2, G3 or System 25 [one 909 Universal Coupler (PEC 63150A) required per application]
• Expands the capacity of your DEFINITY ECS, System 75 or System 25
• Allows easy upgrades

• 8 ports for loop-start or ground-start CO, foreign exchange (FX), and Wide Area Telecommunications (WATS) trunks.
• Each port has Tip and Ring signal leads
• Compatible with trunk paging interface
• Supports the abandoned call search feature in Automatic Call Distribution (ACD) applications (if the CO has this feature)
• Interfaces the Definity System or System 75

• 8 ports for immediate-start and wink-start, direct inward dialing (DID) trunks
• Each port has tip and ring signal leads

• Supports 24 trunks using Robbed Bit Signaling
• Supports 23 trunks using Common Channel Signaling
• Provides interface to DS1 Tie-Trunk plus ISDN PRI Message-Oriented -Signaling to interface with a host computer, another DEFINITY or a public/private network

• Provides 4 trunk interfaces (E+M Type 1 and Type 5) for Tie Trunk Service or Release Link Trunk Service
• Trunks can be Automatic, Immediate-Start, Wink-Start or Delay-Start
• Allows linking of DEFINITY to another tie-line compatible communications system

• Supports DS1 Rate (24 Digital Channels) and E1 Rate (32 Digital Channels)
• All versions support CO, TIE, DID and OPS (Off - Premises Stations) port types using the robbed signal protocol, proprietary bit-oriented signaling, (BOS) 24th channel signaling protocol, and the DMI-BOS 24th channel signaling protocol
• All versions also support ISDN-PRI connectivity
• TN464E and later provide test jack access to the DS1 or E1 line and support the 120A Integrated CSU
• TN464F and later suffix is required to communicate with Conversant

• 8 ports connecting to multi-appearance hybrid analog and digital voice terminals.
• Connects to 7300 series telephones, an MDC-9000 and an MDW-9000 series wireless telephones.

• Each port supports one voice terminal with or without LED message waiting indicators (message waiting indicators not supported off-premise)
• Does not support neon message waiting indicators
• Supports 500 and 2500 type, 7100, 8100, and 9100 series voice terminals
• Supports off-premise wiring