NEC B48 U10 KSU MANUAL
Electra Elite 48/192 Telephone Accessories Manualhttps://wwwalslibOpen manual
NEC Electra Elite 48/192 Features And Specifications Manual
Battery Backup - System Memory FEATURE A battery is provided on the CPUB( )-U10 ETU for Electra Elite 192 system or DESCRIPTION MBD-U10 Unit in the B48-U10 KSU for the Electra Elite 48 system to retain System Program Memory when power fails. When fully charged, the battery maintains backup power for approximately 21 days.
NEC XEN MASTER SYSTEM HARDWARE MANUAL Pdf Download
Page 129: Mbd-U13 Unit For B48-U13 Ksu (Xen Axis Only) May 2001 MBD-U13 Unit for B48-U13 KSU (Xen Axis Only) 3.3.1 Description The MBD-U13 Unit (installed on the B48-U13 KSU) is the Central Processing Unit for the Xen Axis system. This ETU has a Central Processing Unit and a Microprocessing Unit and supports a maximum of 48 ports.
NEC B48-U10 Electra Elite 48 KSU Telephone Switch
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NEC DSPII-U10 UNIT - TelephoneMan
NEC ELITE B48-U10 KSU. $445. KEY SERVICE UNIT (Elite 48)- The Key Service Unit (KSU) for the Electra Elite 48 is equipped with a built in CPU (MBD-U10) and support for eight digital telephones. This KSU provides seven slots.. Add to Cart. Quick view
NEC ELITE B64-U10 KSU - TelephoneMan
KEY SERVICE UNIT The Key Service Unit (KSU) for the Electra Elite IPK System provides up to 144 ports and can be expanded to a maximum of 192 ports with addition of 2 expansion KSUs: (Same unit used as expansion KSU) The P64-U10 PSU (power supply unit), backup batteries, two RCA jacks for external paging and MOH input, three DB9 serial interface are included with each KSU