Lucent Technologies DEFINITY Enterprise Communications Server Release 8.2 System Description Manual

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
151 Circuit Packs and Related Hardware 
TN756  Tone Detector/Generator (replaced by 
TN2182B)
The TN756 is replaced by the TN2182 tone clock-tone detector and call classifier circuit 
pack.
TN758  Pooled Modem
The TN758 has 2 conversion resources ports (such as a trunk data module) for switched 
connections between digital data endpoints (data modules) and...

Cabinets, Carriers, and Circuit Packs 
152 Circuit Packs and Related Hardware 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN763B/C/D  Auxiliary Trunk 
The TN763 has 4 ports. Each port has T, R, SZ, SZ1, S, and S1 signal leads. The circuit 
pack is used for on-premises applications such as music-on- hold, loudspeaker paging, 
code calling, and recorded telephone dictation access. 
TN763C  supports external recorded announcement equipment....

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
153 Circuit Packs and Related Hardware 
TN768  Tone-Clock (replaced by TN2182B)
The TN768 is replaced by the TN2182B Tone Clock - tone detector and call classifier 
circuit pack. It is not necessary to replace the TN768 with the TN2182B in an upgrade. 
The TN768 is an acceptable Tone-Clock for R7 or later.
  TN769 Analog Line
The TN769 has 8 ports, each with tip...

Cabinets, Carriers, and Circuit Packs 
154 Circuit Packs and Related Hardware 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN771D  Maintenance/Test (all except R6 and 
later csi)
The TN771D performs maintenance functions. These functions include packet bus 
reconfiguration that allows diagnosis and correction of recoverable packet bus failures 
before the link access procedure on the D-channel (LAPD) links fail. LAPD is a link-layer 
protocol...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
155 Circuit Packs and Related Hardware 
TN772  Duplication Interface (R6 and earlier) 
for si only
The TN772 selects the active Switch Processing Element (SPE) (control complex) in high 
reliability and critical reliability R6 and some earlier systems. The TN772 also coordinates 
the interchange of SPEs.
The TN772 controls the memory shadowing function with the...

Cabinets, Carriers, and Circuit Packs 
156 Circuit Packs and Related Hardware 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN777B  Network Control (R6 and earlier) 
(replaced by TN794) for si only
The TN777B is replaced by the TN794 Network Control/Packet Interface (for R7 and 
later).
TN778 Packet Control (R6 and earlier) 
(replaced by TN794) for si only
The TN778 is replaced by the TN794 Network Control/Packet Interface.
TN780 Tone-Clock for...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
157 Circuit Packs and Related Hardware 
TN787F/G/H/J/K  Multimedia Interface
The TN787 multimedia interface circuit pack is used in conjunction with the TN788B 
multimedia voice conditioner circuit pack to provide service circuit functionality for the 
Multimedia Call Handling (MMCH) feature. This feature provides both voice and 
multimedia data service between...

Cabinets, Carriers, and Circuit Packs 
158 Circuit Packs and Related Hardware 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN789  Radio Controller 
The TN789 circuit pack is an interface between a DEFINITY system and 2 Wireless Fixed 
Base (WFB) radio units for the DEFINITY wireless business system R1-PWT. The TN789 
contains a main processor to handle data line circuit (DLC) and upper medium access 
(MAC) layers of firmware. The TN789 also...

DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
159 Circuit Packs and Related Hardware 
The TN790 is factory-populated with a minimum of 16 MBytes of Dynamic Random 
Access Memory (DRAM). 
NOTE:
Existing Release 5 TN790 circuit packs with 8 or 12 MBytes of DRAM must be 
upgraded to 16 MBytes of DRAM for R7 or later.
The DRAM can be 
seen remotely by field technicians to determine the memory 
configurations at...

Cabinets, Carriers, and Circuit Packs 
160 Circuit Packs and Related Hardware 
DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN792  Duplication Interface for TN 790B 
Processor Circuit Packs for si only
In high- and critical-reliability R7 or later si systems, duplication interfaces copy the 
contents of memory from the primary Switch Processing Element (SPE) to a standby 
SPE, so that the latter can take over immediately when the former fails....