Nortel DMS-100 Series Reference Manual page 27

Figure 2-2
Version 1 alarm system interconnections
Optional audible alarm panels
(maximum four NT0X66)
Optional audible alarm cutoff key
panel (NT5X86)
Cross-aisle ACD (NT0X63)
ACD (NT0X63)
TTC audible alarm panel
(NT0X61)
Audible alarm panel
(NT0X66)
Audible alarm panel
(NT0X66)
Equipment row 1
Equipment row 40
Standby MTM shelf
OAU dead system card
(NT2X41AA)
OAU shelf
OAU dead system card
(NT2X41AA)
OAU alarm transfer or alarm sending card
(NT2X42AA)
OAU alarm group card (NT2X43AA)
Miscellaneous scan detector cards (NT0X10)
Signal distribution cards (NT2X57)
Optional alarm
cutoff control
circuit
(NT5X86)
MAP
IOC
Alarm cross-point field shelf
(NT0X62AA) and NT0X62AB for
extensions
Data link controller (NT0X89)
Data loop
DMS-100 Family Alarm System Description Reference Manual BASE12
Office Alarm System Version 1 2-5
Optional exit pilot
lamps (maximum
ten NT0X64)
DMS switch
Optional audible
and visual alarm
extension unit
(NT5X85)
DMS power plant
Exit pilot lamps
(NT0X64)
DF
To
remote
alarm
receiving
unit
To
other
floors for
alarm
grouping