I faintly recall that release note, or more accurately a similar RN that was issued previously during the original heydays of the SX2000 light. My recollection is that the 'Yes/No' comments had to do with those various cabinets' capability to serve in Master or Slave configurations, respectively. Only thing I question is the 9400-200-116 stating that it's an AC cabinet, which in fact it could be either AC or DC. I know this because I have 22 of the -48 DC variant sitting in a storeroom eventually slated to go to a recycler. We previously offered them to two secondary market resellers, neither of which expressed any interest. They can of course be converted back to AC, just as an AC cabinet can be converted to DC, but doing so requires the purchase of all new power supplies for each cabinet.
PNX, aka Peripheral Node Expansion or "expanded pers" as it's more commonly called, was introduced in Lightware 30 release 1 (R-stream)
With the possible exception of pre-1999 units I am 90% sure that any SX2K Light P-Node cabinet currently operating in a
NON-expanded Pers configuration can be leveraged to serve as either a master or slave. Why Mitel would have ever invested the engineering time in designing a separate backplane and marketing a P-Node cabinet for a slave-only configuration completely escapes me. The -116 variant can in fact be used in either Master or Slave configuration, in contrast to the release note.
Code:
4.5 PSC card, PER, PER II and master/slave configuration requirements
Part number for Per Description PRC
Installed PSC II
MC312AB PSCI
MC312AA With Master and slave expansion setup, Per can be configured as:
9400-200-110-NA** FD Per (AC) Slave only** (required EMI Kit cannot be installed on early -110-NA variants)
9400-200-113-NA FD Per (AC) Slave only
9400-200-130-NA Microlight(AC) Not possible
9400-200-133-NA Microlight(AC) Not possible
9400-200-116/117-NA New PER II (AC) Master or Slave
Our 9400-200-116-NA cabinets
all came with a PSC-II card installed in slot 16, so when we deployed expanded pers we wound up with 11 spare PSC-II cards, once more with zero interest being expressed by the secondary market.
All memories of a pre-historic era now, as we're a Cisco Call Manager shop today (sigh...)
Original MUG/NAMU Charter Member