Control Data Corporation INFORMATION SYSTEMS TERMINAL II Hardware Maintenance Manual page 53

o S2-1 In the On (closed) position enables a
constant Clear to Send signal and enables external
clear to send. In the Off (open) position dis-
ables the constant Clear to Send.
o S2-2 In Off (open) position enables long line
interface. In On (closed) position enables
RS-232-C interface.
o S2-3, S2-4, S2-5 These switches must be set to
the correct transmitter baud rate. Check with
PLATO Site Director to determine transmission rate
(normally set at 120 baud). Refer to table 3-2
for correct switch settings.
o S2-6 In the On (closed) position enables the
inserting of a parity bit on transmitted data and
parity checking on received data on the serial
channel interface. In the Off (open) position
disables the inserting and checking of parity bits.
o S2-7 In the Off (open) position selects the
primary (forward) channel. In the On (closed)
position selects the low-speed (reverse) chan-
nel. To select either the primary or low-speed
channel, switch S2-2 must be in the On position.
o S2-8 In the On (closed) position selects
1 stop bit. In the Off (open) position selects
2 stop bits for 6-, 7-, or 8-bit words or 1.5 stop
bits for a 5-bit word.
o S2-9 In the On (closed) position selects
touchpanel not present. In the Off (open) posi-
tion selects touchpanel present.
o S2-l0 In the On (closed) position selects
16K memory. In the Off (open) position selects
32K memory.
8) Verify that power ON/OFF switch is in OFF position.
I
Plug ac power cord into site outlet. Replace hood
(procedure 4) and proceed with checkout procecure.
82100083 C
3-5