Nera Inmarsat-c Service Manual page 54

ULTRA I/O Reset SW (S2)
CPU Reset SW (S1)
CPU RUN (CR3)
Blinking every
second
Lithium Battery
DIP switch (S5)
(ALL OFF)
Q2I Reset SW (S3)
PRINTER JUNCTION
U7:ULTRA I/O
U28: CPU
Not used,
normally ON
CR4
CR5
CR6
CR7
Fig.3.1.7 TERM CPU board (16P0209)
3-4
3.1 Terminal unit, IC-215
DTE
U12:Q2I
(LCD CONT)
U30: Ethernet
CONT
Ethernet
CR8: Rx ON
CR9: Tx ON
Communication check
[KEY BOARD]
JP1:Disconnecting
back-up battery
[LAN]
(10BASE-T)