Service manual

Chapter 2 E40S/E60S Specification
FileStore Service Manual 86
2.3.1 Controls
Power on/off switch On rear panel
Drive id switch On rear panel
2.3.2 Indicators
Green LED Power on indicator
Red LED Drive active
2.4 Expansion input/output ports
FileStore expansion bus: 2 x 50-way ‗Type 57’ (Delta) connectors, one
male, one female, daisy-chained.
Mains in IEC320: flying lead with plug for ‗In‘ daisy-
chained to panel-mounted socket for ‗Out‘
FileStore expansion bus Rear Panel
2.4.1 FileStore E40S/E60S expansion bus connector
The E40S/E60S unit is equipped with two expansion bus connectors, for connecting to the
E01S and an (optional) second FileStore expansion bus device. The connection to the E01S
unit is made with the supplied FileStore expansion Bus Cable, Acorn part number 154,728.
The Connectors are 50-way IDC male sockets, wired as below:
Pins 1-12 Gnd
Pin 13 Leave open
Pins 14-25 Gnd
Pin 26 -DB(0)
Pin 27 -DB(1)
Pin 28 -DB(2)
Pin 29 -DB(3)
Pin 30 -DB(4)
Pin 31 -DB(5)
Pin 32 -DB(6)
Pin 33 -DB(7)
Pin 34 NC
Pin 35 Gnd
Pin 36 Gnd
Pin 37 Gnd
Pin 38 TERMPWR
Pin 39 Gnd
Pin 40 Gnd
Pin 41 NC
Pin 42 Gnd
Pin 43 -BSY
Pin 44 -ACK
Pin 45 -RST
Pin 46 -MSG
Pin 47 -SEL
Pin 48 -C/D
Pin 49 -REQ
Pin 50 I/O