GE P742

Maintenance
P74x/EN MT/N
a7
MiCOM P74
1, P742, P743
(MT) 11-
7
MT
REF DESCRIPTION REFERENCE
1 Assy Power Supply (24/54V)
(48/125V)
(110/250V)
ZN0021 001
ZN0021 002
ZN0021 003
2 Power Supply board 2070583 *
3 Assy Opto Input ZN0017 012
4 Assy Relay Output ZN0019 001
6 Assy IRIG-B modulated only
Assy IRIG-B demodulated only
Assy Ethernet (100Mbps) only
Assy Ethernet (100Mbps) + IRIG-B (mod)
Assy Ethernet (100Mbps) IRIG-B (demod)
Assy 2
nd
rear port + IRIG-B (mod)
Assy 2
nd
rear port only
Assy Redundant Ethernet (SHR) Modulated IRIG-B
Assy Redundant Ethernet (SHR) non Modulated IRIG-B
Assy Redundant Ethernet (RSTP) Modulated IRIG-B
Assy Redundant Ethernet (RSTP) non Modulated IRIG-B
Assy Redundant Ethernet (DHS) Modulated IRIG-B
Assy Redundant Ethernet (DHS) non Modulated IRIG-B
ZN0007 001
ZN0049 004
ZN0049 001
ZN0049 002
ZN0049 003
ZN0025 001
ZN0025 002
ZN0071 001
ZN0071 002
ZN0071 005
ZN0071 006
ZN0071 007
ZN0071 008
7 Assy Coprocessor 2070273 003
8 Assy Comms for Peripheral Units 2070273 001
FIGURE 2: P741 – PCB/MODULE LOCATIONS (VIEWED FROM FRONT)