Grass Valley Trinix Back-Up Power Supplies Nov 16 2012 - Manual (Page 31)

Trinix — Installation and Service Manual31
Overview
DV-33128
For DV-33128 routers, installation of one BU1200 TRX-PSFRM-TER-1RU
with one power supply (TRX-PSU-1200W) will provide a total of three on-
line power supplies: two internally-mounted supplies and one supply
mounted in the external chassis. Any one of these three supplies can fully
power the DV-33128 router.This is the minimum back-up power supply
configuration for the DV-33128. Up to four power supplies can be loaded
into the external chassis for added redundancy.
DV-33256
For DV-33256 routers, installation of one BU2400 TRX-PSFRM-TER-1RU
with two power supplies (TRX-PSU-1200W) will provide a total of four on-
line power supplies: two internally-mounted supplies and two supplies
mounted in the external chassis. Any one of these four supplies can fully
power the DV-33256 router. This is the minimum back-up power supply
configuration for the DV-33256“Thisp to four power supplies can be loaded
into the external chassis for added redundancy.
DV-33512
For DV-33512 routers, installation of two TRX-PSFRM-TER-1RU with two
power supplies (TRX-PSU-1200W) each will provide a total of eight on-
line power supplies divided into two groups:
• One group consists of internal supplies A and B and the two supplies
in one of the external chassis (total of four supplies). The four supplies
in this group power half the boards in the router. Any one of the four
supplies can provide all needed power to these boards.
• The opposite group consists of internal supplies C and D and the two
supplies in the other external chassis (total of four supplies). The four
supplies in this group power half the boards in the router. Any one of
the four supplies can provide all needed power to these boards
• This is the minimum back-up power supply configuration for the DV-
33512Ringp to four power supplies can be loaded into each of the
external chassis for added redundancy