Lucent Technologies Release 7 User Manual
DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
Maintenance for R7r
555-230-126
Issue 4
June 1999
Hardware Configurations
2-5
Carriers in Multi-Carrier Cabinets
2
Port Carrier (J58890BB)
Table 2-2
describes the function of each carrier slot.
Table 2-2. Port Carrier Circuit Pack Slots
Slot Name
Circuit Pack
Code
Notes
POWER UNIT
(right side)
(right side)
Power Unit
(+5V)
(+5V)
649A
Required for DC-powered systems. TRI
PLS OUTPUT DC-Powered
PLS OUTPUT DC-Powered
POWER
UNIT/
SERVICE
UNIT/
SERVICE
Power Unit,
Neon
Neon
TN755B
This position is addressed as “00” in
commands and displays. It does not
provide tip and ring to the wall field. The
following circuit packs are optional,
depending on system features. One
TN771D is required in all PPNs, and one
in each EPN of Critical Reliability systems.
commands and displays. It does not
provide tip and ring to the wall field. The
following circuit packs are optional,
depending on system features. One
TN771D is required in all PPNs, and one
in each EPN of Critical Reliability systems.
Call Classifier
TN744
Integrated
Announcement
Announcement
TN750
Speech
Synthesizer
Synthesizer
TN725B,
TN433,
TN457
TN433,
TN457
Tone Detector
TN748,
TN420B
TN420B
Maintenance/
Test
Test
TN771D
TONE-
CLOCK 1
CLOCK 1
Tone-clock
TN768
TN2182
TN2182
Required as follows:
EPN with duplicated PNC: B carrier EPN
cabinet with two PNs: D carrier
E carrier of an EPN cabinet with two PNs
and duplicated PNC; the Tone-clock slot
is located with Port Slot #2. If the carrier
does not contain a Tone-Clock board, any
port board may be installed in this slot.
EPN with duplicated PNC: B carrier EPN
cabinet with two PNs: D carrier
E carrier of an EPN cabinet with two PNs
and duplicated PNC; the Tone-clock slot
is located with Port Slot #2. If the carrier
does not contain a Tone-Clock board, any
port board may be installed in this slot.
EXPN INTFC
2
2
Expansion
Interface
Interface
TN570
Optional, depending on system’s
connectivity and duplication
configuration; if not used for an EI board,
this slot can accept any common port
board.
connectivity and duplication
configuration; if not used for an EI board,
this slot can accept any common port
board.
3
If the system’s connectivity and
duplication configuration require a
second EI on a port carrier, it resides in
this slot; otherwise, this slot accepts any
common port board.
duplication configuration require a
second EI on a port carrier, it resides in
this slot; otherwise, this slot accepts any
common port board.
4 to 20
Port Boards
Any common port board.
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