Installation manual

152 20/10/2004 PS10270JENAA01
Description of the card
The OCT4 card is the central unit of the M6501L/R IP PBX and is managed in release R2.1
(V14.2) and later.
The OCT4 card requires a PTGBUS card (HJ4238AB02) to be installed. This card controls
priority on the system bus and is pre-installed at the factory on the cabinet backplane.
The following changes have been made compared to the OCT3B card:
• 133 MHz AMD Elan SC520 (ASPEN) processor in place of a 33 MHz 386EX
• 12 Mb Flash memory on 32 bits, downloadable by the BOF card (downloading on 16 bits)
• 16 Mb DRAM memory on 32 bits
• 1.5 MB SRAM memory
• DECT synchro:
• primary port and secondary port with synchronising clock at 2.048 MHz
• continuity between primary and secondary ports provided, cabinet powered down by a
relay
• cable length compensation by software
• CT2 synchro removed
• RJ45 connectors for primary and secondary ports
• configuration switches removed
• optional TMOCT4 daughter card (memory expansion and additional processor) to replace
TOCT3 and MOCT3 daughter cards
• iButton removable software dongle
Description of the connectors
The table below describes the connectors on the OCT4 card:
NAME Function Description of the contacts
J2 Used to connect a printer and
external music-on-hold.
(see the description of the J2
connector)
J3 and J6 Connection for the DECT
synchronisation signal (primary
and secondary)
See description of J3 and J6
connectors
(see the DECT installation
manual for information about
base station synchronisation
wiring)
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4
1
8
5
Vue côté
pins
5
6
7
8
1
2
3
4
1