Specifications

MACRO CPU Board
26 3U MACRO CPU Board Connector Pinouts
TB1: (JPWR) 4-Pin Terminal Block
(Location B-4)
Pin # S
y
mbol Function Descri
p
tion Notes
1 GND Common Reference Volta
g
e
2 +5
V
In
p
u
t
Positive Su
pp
l
y
Volta
g
e Su
pp
lies all PMAC di
g
ital circuits
3 +15
V
In
p
u
t
Positive Su
pp
l
y
Volta
g
e +12V to
+
15V; used for on-
b
oard analo
g
4 -15V Input Negative Supply Voltage -12 to –15V; used for on-board analog
U73: MACRO Fiber Optic Connector (OPT A)
(2 Socket SC-Style)
Front Vie
w
Pin # Symbol Function Description Notes
1 RX Fiber In
p
u
t
MACRO Rin
g
Receive
r
2 TX Fiber Output MACRO Ring Transmitter
A. The fiber optic version of MACRO uses 62.5/125 multi-mode glass fiber optic cable terminated in an SC-style connector.
The optical wavelength is 1,300nm.
B. It is possible to "adapt" wire to fiber operation when using OPT A & C on the same MACRO-CPU board.