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 
181 Circuit Packs and Related Hardware 
The TN2793/TN2793B supports on-premises (in-building) wiring with either touch-tone or 
rotary dialing and with or without the LED and neon message waiting indicators. The 
TN2793/tn2793B supports off-premises wiring (out-of-building only with certified 
protection equipment) with either DTMF or rotary dialing, but LED or neon message 
waiting indicators are not supported off-premises. 
The TN2793/TN2793B along with a TN755B neon power unit per carrier or per 
single-carrier cabinet, supports voice terminals equipped with neon message waiting 
indicators (on-premises use only). The TN2793/TN2793B supports 3 ringer loads, only 1 
voice terminal can have an LED or neon message waiting indicator. The 
TN2793/TN2793B allows a maximum of 12 simultaneous ports ringing.
The TN2793/TN2793B supports A-Law and µ-law companding and administrable timers. 
The TN2793/TN2793B supports queue warning level lights associated with the DDC and 
UCD features, recorded announcements associated with the Intercept Treatment feature, 
and PagePac paging system for the Loudspeaker Paging feature. Additional support is 
provided for external alerting devices associated with the TAAS feature, neon message 
waiting indicators, and modems The TN2793/TN2793B also supports secondary lightning 
protection. 
 
TN-CCSC-1  PRI to DASS Converter
The TNCCSC-1 circuit pack converts ISDN-PRI to a DASS interface. DASS is a 2-Mbps 
interface using a 75-Ohm coaxial transmission facility. One TNCCSC-1 circuit pack can 
support up to 2 TN464F DS1 Interface circuit packs. A Y cable and an 888B 75-Ohm 
coaxial adapter connect to the public network facility.
Table 44. Terminals and wiring configurations supported by the TN2793/TN2793B 
Terminal Wire Size Maximum Range 
500-Type 24 AWG (0.2 mm
2/0.5 mm) 20,000 ft. (6,096 m)
2500-Type 24 AWG (0.2 mm
2/0.5 mm) 20,000 ft. (6,096 m)
6200-Type 24 AWG (0.2 mm
2/0.5 mm) 12,000 ft. (3,657m)
7102A-Series 24 AWG (0.2 mm
2/0.5 mm) 20,000 ft. (6,096 m)
8100-Series 24 AWG (0.2 mm
2/0.5 mm) 12,000 ft. (3,657m)
Continued on next page 
						

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DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
TN-CCSC-2  PRI to DPNSS Converter
The TNCCSC-2 circuit pack converts ISDN-PRI to a DPNSS interface. DPNSS is a 
2-Mbps interface using a 75-Ohm coaxial transmission facility. One TNCCSC-2 circuit 
pack can support up to 2 TN464F DS1 interface circuit packs. A Y cable connects to the 
public network facility.
TN-CCSC-3 PRI to DPNSS Converter
The TN-CCSC-3 circuit pack is the same as the TN-CSSC-2 with a 120-Ohm twisted pair 
interface.
TN-C7 PRI to SS7 Converter
Provides a gateway interface between the TN464 and the public signaling network. 
Integrates DASS, DPNSS and SS7 into a single board type. The TN-C7 is intended to 
support international service provider Call Center customers. It is not designed for 
operation in the US or Canada.
TN-CIN Voice Multiplexer
Provides QSIG and private networking transparency on demand across a switched 
network.
UN330B  Duplication Interface for r only
In high- and critical-reliability systems with 2 SPEs, 1 UN330B resides in each SPE and 
connects to the other UN330B. The UN330Bs provide control and communication paths 
between the SPEs to keep the standby SPE ready to assume control if the active SPE 
fails. The UN330Bs select active/ standby mode for the 2 SPEs, shadow (copy) the active 
SPE memory writes into the standby SPE memory, and support inter-SPE 
communications.
The duplication channel is a bi-directional high-speed path between the 2 SPEs. When 
memory shadowing is active, all shadowed memory writes on the active processor’s bus 
are sent across the link and written into the standby processor’s memory. Standby 
memory writes are not sent to the active processor. 
						

							DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
183 DEFINITY Adjuncts 
UN331B  Processor for r only
The UN331B controls the system and executes stored programs that perform call 
processing activity and maintenance. The UN331B is a RISC designed around a MIPS 
R3000A CPU operating at 33 MHz. It employs 32-bit address and data buses to obtain 
and execute instructions at a rate approaching 1 instruction per clock cycle. The 256 
kbyte instruction cache with burst-mode refill and 256 kbyte data cache are key to the 
performance of the processor. A read/write buffer chip tailors the UN331B to the call 
processing environment.
Peripheral devices residing on the UN331B are positioned outside the CPU cache 
structure and interface to the CPU through the read/write buffers. These peripherals 
include 512 kbytes of ROM for the monitor, counters/timers, UARTs, control/status/error 
registers, and the logic that provides bus arbitration and the Bus Time-Out feature.
The UN331B interfaces to the 32-bit multiplexed address/data processor bus (PM-Bus) 
and the 32-bit processor expansion bus (PX-Bus). The PM-Bus is for all processor write 
operations and single-word (4-byte) read operations. Multiple-word or burst reads are 
performed using the PM-Bus to transfer the address to main memory, then the words of 
the burst are returned using both the PM-Bus and PX-Bus.
UN332B/C  Mass Storage/Network Control for 
r only
The UN332 provides an interface between the UN331B processor and the small 
computer system interface (SCSI) bus for access to the mass storage system (MSS) 
such as a disk drive. The UN332 also provides TDM network control for the PPN, and 
terminates 1 end of the processor-multiplexed bus.
The UN332C allows the interface of the DEFINITY to the TN2211 optic disk drive. The 
circuit pack includes the SCSI Host Adapter, the ArchAngel and the Tone/Clock switching 
logic.
DEFINITY Adjuncts
The following table lists the adjuncts for R8 or later systems. After the table, detailed 
descriptions of each adjunct are provided.  
						

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DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Table 45. DEFINITY Adjuncts
Apparatus Code Name Type
105D Isolating Data InterfaceAdjunct
120A Channel Service Unit ModuleAdjunct
122A Music-on-Hold Interface for FrancePort 
127A E1 120 Ohm/75 Ohm Quad Balun Box Adjunct
300A Single-Mode Fiber Optic TransceiverNetwork
315x/316x-Series Channel Service Unit Adjunct
400ATi Splitter for ATM Synchronization (being 
replaced by the 401A)Adjunct
401A T1 100 Ohm Synch Splitter for ATM (replacing 
the 400A)Adjunct
402AE1 120 Ohm (twisted pair) Synch Splitter for ATM 
SynchronizationAdjunct
403A E1 75 Ohm (coax) Synch Splitter for ATM Adjunct
700A DS1 CPE Loopback Jack Network
9823A/B Multi-Mode Fiber TransceiverNetwork
BU3200A/B Battery Interface UnitPower
BTD08 Busy Tone Disconnect for Loop-Start, 2-Wire, 
Analog TrunksPort
Customer-SuppliedESPA-Compliant Radio-Paging EquipmentAdjunct
Customer-SuppliedExternal Alarm Equipment Adjunct
J58907AA-1 Personal Communications Manager (Forum)Adjunct
noneDECT/ETSI-Compliant DEFINITY Wireless 
Business System for Non-US MarketsAdjunct
RM0850HA100 Rectifier ModulePower
Continued on next page 
						

							DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
Cabinets, Carriers, and Circuit Packs 
185 DEFINITY Adjuncts 
105D  Isolating Data Interface
The 105D Isolating Data Interface is an adapter that lets you connect adjunct devices and 
switches that use different data-cable interfaces. The 105D IDI connects one 25-pin 
RS-232 cable to one 37-pin RS-449 cable. Eight DIP switches let you configure the IDI for 
a direct connection (switches 0-3 UP, 4-9 DOWN) or a connection via a MUX or modem 
(switches 0-3 DOWN, 4-9 UP). DIP settings are printed on the IDI (see Figure 49). 
Figure 49. 105D Isolating Data Interface
h1df105d LJK 010699
MUX / MODEM DIRECT CONNECT
ON
12345678
ADJUNCT - A
J 2 J 1
SWITCH - A
105D
ISOLATING
DATA
INTERFACE
UNIT
ADJUNCT - B
J 4
SWITCH - B
J 3
37-pin RS-449 interface
25-pin RS-232 interface 
						

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DEFINITY Enterprise Communications Server Release 8.2
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120A  Channel Service Unit Module
The 120A channel service unit (CSU) module connects to either a TN464E/F or a 
TN767D/E DS1 circuit pack on 1 end. The other end connects to the network interface 
smart jack. The 120A is powered from the +5 VDC port carrier power supply and uses a 
maximum of 1.2 Watts.
In combination with the DS1 circuit pack, it provides the essential functions of external 
CSUs. The TN464/767 and switch administration support all framing and line coding 
options. 
The 120A is small, a little larger than a wallet, is easier to install than an external CSU, 
and does not require any option switch settings or DS1 cable.
Vintage 2 of the 120A CSU module (the 120A2) provides enhancements to support the 
payload loopback function available when the ESF framing format is selected. This 700A 
loopback jack is controlled from the network side using the data link provided by the ESF 
framing format. This provides a loopback of data back to the network and operates as 
defined in AT&T TR54016-1989.
122A  Music-on-Hold Interface for France
A highly reliable music source is provided by the wall-mounted 122A adjunct circuit pack. 
It provides the correct electrical transformation between a port of the TN2183 analog line 
circuit and a customer- provided music source. The 122A monitors the music source, 
and, if music is not present at the input, switches to a 
Hold Tone generated by the 
interface itself.
127A E1 120 Ohm/75 Ohm Quad Balun Box
The Balun box was designed primarily for the TN1654 DS1 converter. The 127A is 
capable of handling up to four E1 facilities. The Balun box is used in any application that 
requires impendence matching between 120 Ohm and 75 Ohm flavors of CEPT E1. In 
the case of the TN1654, the 127A was created to allow any 120 Ohm E1 balanced signal 
source to be converted to 75 Ohm un-balanced. It has the ability to selectively ground the 
shields of the 75 Ohm BNC connectors. Each balun in the Balun box is an impendence 
matching transformer, common mode filter and two shield ground selector switch. 
						

							DEFINITY Enterprise Communications Server Release 8.2
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  Figure 50. 127A E1 120 Ohm/75 Ohm Quad Balun Box
300A  Single-Mode Fiber Optic Transceiver
The 300A is a single-mode lightwave transceiver that transmits and receives light up to 
115,000 feet (22 miles or 35 km). Single-mode fiber optic cable connects from the 
lightwave transceiver on 1 EPN carrier to the lightwave transceiver on another PPN or 
EPN carrier. The cable consists of 2 separate 8-10-micron core diameter fiber optic 
cables. The fiber optic connection allows full duplex (simultaneous bi-directional) 
transmission. 
Fiber loss must be less than 17 dB. Saturation may occur if distances are short; simple 
in-line attenuators may be required if the total loss on the fiber link is less than 10 dBm. 
An optical time domain reflectometer (OTDR) test is recommended to determine specific 
fiber optic hardware requirements.
127A108032301
A 120T
R 75
B 120T
R 75
C 120T
R 75
D 120T
R 75
E1 120/75 BALUN
h1df127a KLC 083199
1
2
3
4 
						

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315x/316x-Series  Channel Service Unit
The 315x/316x-series of the Channel Service Unit (CSU) is an interface between the T1 
digital network and the customer premises equipment. A CSU provides an interface 
between the DSX1 levels of a DS1 Interface circuit pack and the levels of a DS1 
transmission facility. The CSU also
nIsolates the DS1 interface circuit pack from DC voltages that may be on the facility
nProvides jacks to test access to receive and transmit signals between the DS1 
circuit pack and the CSU
nProvides secondary surge protection between the DS1 facility and the DS1 circuit 
pack
nProvides loopbacks for the signals from the DS1 circuit pack and from the facility 
for fault isolation purposes
nAllows software configuration menus to display for quick and easy operation
The 3150/3160 units can sit on a desktop or a shelf. The Model 3151 is a circuit card and 
installs in a COMSPHERE
® 3000-series carrier.
400A  T1 Splitter for ATM (being replaced by 
the 401A (Category A only)
The 400A splitter supplies the 8-KHz clock signal from the incoming T1 to an external 
ATM switch via a twisted pair cable. It attaches to the 50-pin connector behind a DS1 (T1) 
circuit pack. 
In the USA, the 400A resides behind the Channel Service Unit, which serves as a barrier 
between the 400A and the public network. 
401A T1 100 Ohm Sync Splitter for ATM 
(replacing the 400A) (Category A only)
The 401A splitter supplies the clock signal from an incoming T1 to an external ATM 
switch via twisted pair cable. The 401A supports distances of up to 1000 feet from the 
sync splitter to 1 or 2 ATM switches, with a loss of 6 dB allowed in the cable. It is only for 
use on DEFINITY ATM PNC and WAN PNC configurations on the r model. The 401A 
attaches to the 50-pin connector behind the DS1 (T1) circuit pack. It is designed to 
comply with all the applicable US domestic and international signaling, EMC and safety 
specifications. The 401A is self-contained, which should reduce service calls that are 
related to ATM timing synchronization connectivity.  
						

							DEFINITY Enterprise Communications Server Release 8.2
System Description  555-233-200  Issue 1
April 2000
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402A  E1 S120 Ohm (twisted pair) Sync 
Splitter for ATM (Category A only)
The 402A splitter supplies the 8-KHz clock signal from the incoming E1 to an external 
ATM switch via a twisted pair cable. The 402A supports distances of up to 1000 feet from 
the sync splitter to the ATM switch, with a loss of 6 dB allowed in the cable. It is only for 
use on DEFINITY ATM PNC and WAN PNC configurations on the r model. The 402A 
attaches to the 50-pin connector behind a DS1 (E1) circuit pack. It is designed to comply 
with all the applicable ETSI signaling, EMC and safety specifications.
403A E1 75 Ohm (coax) Sync Splitter for ATM 
(Category A only)
The 403A is sometimes used to extend an E1 from the network interface where E1 is 
provided. One or two 75-ohm cables are used from the 403A splitter to 1 or 2 ATM 
switches. The 403A supports distances of up to 1000 feet from the sync splitter to the 
ATM switch, with a loss of 6 dB allowed in the cable. The 403A is only for use on 
DEFINITY ATM PNC and WAN PNC configurations on the r model. It attaches to the 
50-pin connector behind a DS1 (E1) circuit pack. The 403A is designed to comply with all 
the applicable ETSI signaling, EMC and safety specifications.
700A  DS1 CPE Loopback Jack
The 700A is a loopback device intended for permanent installation in DS1 house wiring at 
the network interface (NI) point when ICSUs are used. The 700A allows all customer 
wiring between the system and the NI to be looped and tested, either locally or remotely, 
via the management terminal. Using the 700A, DS1 problems can be quickly isolated to 
either the customer premises or to the external DS1 span.
The 700A operates with any vintage of TN767E (or later) or TN464F (or later) DS1 circuit 
packs and with G3V3 Release 3 (or later) software. The unit operates with the 120A2 (or 
later) integrated channel service unit (ICSU); 
not the 31xx series of CSUs or other 
external CSUs or earlier ICSUs.
The 700A is required when DC power appears at the interface to the ICSU. The 700A 
isolates the ICSU from the DC power and properly loops the DC span power. The 700A is 
also used when no smart jack is installed by the local phone company. 
						

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9823A/B  Multi-Mode Fiber Transceiver
The 9823A-type lightwave transceiver transmits light up to 4,900 feet (0.93 miles or 1.5 
km). The 9823B lightwave transceiver transmits light up to 25,000 feet (4.73 miles or 7.6 
km). Multi-mode fiber optic cable connects from the lightwave transceiver on 1 carrier to 
the lightwave transceiver on another carrier. The cable consists of 2 separate 
62.5-micron diameter fiber optic cables or 50-micron diameter fiber optic cables. The fiber 
optic connection allows full duplex (simultaneous bi-directional) transmission. 
BU3200A/B  Battery Interface Unit
The Battery Interface Unit (BIU) controls the RM0850HA100 rectifier modules, manages 
the batteries, and reports the status of system power. The BIU provides the emergency 
power off option and provides all battery alarm interfaces for internal and external alarms. 
BTD08  Busy Tone Disconnect for Loop-Start, 
2-Wire, Analog Trunks
This adjunct provides the method to detect disconnect of incoming calls connected by 
loop start 2-wire analog trunks used in some countries. In these cases, the Public 
Switched Telephone Network (PSTN) sends voice band tones instead of line disconnect, 
to indicate the caller has disconnected; while the called end remains connected.
This adjunct prevents connecting abandoned calls to the answering call center agent, 
locking up trunk-to-trunk connections, or locking up connections to repetitive 
announcements. 
Customer-Supplied  ESPA-Compliant 
Radio-Paging Equipment
The European-Standard Paging Access (ESPA) radio paging interface is the Western 
European standard paging protocol. The interface to the DEFINITY system is via an ASAI 
link.