tenance
P44x/EN MT/Hb
P444 (MT) 10-
REF
PCB Part Number
P442 P444
-- -- Main processor and user interface board ZN0006-001
-- -- Co-processor board ZN0003 003
J N Power Supply Board (24/54V dc)
(48/125V dc)
(110/250V dc)
ZN0001 001
ZN0001 002
ZN0001 003
FGH
F
Relay outputs PCB
High-break relay outputs PCB
ZN0002 001
ZN0031-001
GHJKLM
JKL
Relay outputs PCB
High-break relay outputs PCB
ZN0019 001
ZN0031-001
DE
DEF
Opto Input PCB ZN0005-001 or
ZN0005-002
ZN0017 001
C C Transformer PCB GN0014-013
AB AB Assy IRIG-B modulated PCB
Optical Fibre + IRIG-B PCB
Assy IRIG-B demodulated PCB
Assy Ethernet (100Mbps) PCB
Assy Ethernet (100Mbps) + IRIG-B (mod) PCB
Assy Ethernet (100Mbps) IRIG-B (demod) PCB
Assy 2nd rear port + IRIG-B (mod) PCB
Assy 2nd rear port only PCB
Assy Redundant Ethernet (SHR) Modulated IRIG-B PCB
Assy Redundant Ethernet (SHR) non Modulated IRIG-B PCB
Assy Redundant Ethernet (RSTP) Modulated IRIG-B PCB
Assy Redundant Ethernet (RSTP) non Modulated IRIG-B PCB
Assy Redundant Ethernet (DHS) Modulated IRIG-B PCB
Assy Redundant Ethernet (DHS) non Modulated IRIG-B PCB
ZN0007 001
ZN0007-002
ZN0007 003
ZN0049 001
ZN0049 002
ZN0049 003
ZN0025 001
ZN0025 002
ZN0071 001
ZN0071 002
ZN0071 005
ZN0071 006
ZN0071 007
ZN0071 008
Table 1 - PCB Part Numbers