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Table 2-5.
CE Panel Switches (Part 2 of 3)
Switch
STOP ON ERROR
SI N GLE-CYCLE
COUNTER
SINGLE-CYCLE LOAD
TSMT SINGLE
CHAR.
WRAP
CE TEST
POWER CONTROL
Definition and Action
Pushbutton.
Can be used on-I i ne or off-I i ne to stop on Storage Parity Check.
Pushbutton. With this switch and the INTF TEST switch pressed, the Service Address
Register (SAR) can be stepped by the SINGLE-CYCLE switch.
Pushbutton. This switch, and depression of the SINGLE-CYCLE switch, loads the
contents of the STORAGE BIT ENTRY switches into the selected word in core storage.
When used in conjunction with the CONTINUOUS LOAD switch, SINGLE-CYCLE
LOAD will allow the storage load to advance with each depression of the SINGLE-
CYCLE switch.
This switch is active when the CE TEST switch is ON.
Pushbutton.
This switch allows one character to be transmitted each time the SI N GLE-
CYCLE switch is operated when testing SIS.
When BSC is being tested, this switch allows one data character to be transmitted
each time the SINGLE-CYCLE Switch is operated.
SYN characters are being inserted
(to maintain sync) between depressions of the SINGLE-CYCLE switch. When DLE is
transmitted, the character following DLE is automatically transmitted.
If ETX or
ETB is transmitted, CRC characters are automatically transmitted.
A Write command is automatically loaded into the LCW of the line under test.
The Main Data Word (MDW-l) is loaded from the contents of the STORAGE BIT
ENTRY switches (0-34) when data is requested by the selected line.
Pushbutton.
This switch, used in conjunction with the SINGLE-CYCLE switch,
wi
II
load an Autowrap command into the LCW under test, and a Read command into
the wrap LCW.
MDW-l or MDW-2 for BSC, is loaded from the contents of the STORAGE BIT
ENTRY switches (0-34) when data is requested by the transmit line.
This data is
transmitted on the selected line and wrapped to be received on the wrap address.
Once four characters are received, they are compared with the STORAGE BI T
ENTRY switches and the Wrap Check indicator is turned on if they fail to compare.
If the TSMT SI NGLE CHAR switch is also pressed, a single character is wrapped
with each depression of the SI N GLE-CYCLE switch.
The CE-panel wrap operation can be performed at normal line speed, at 4.5 cps,
or single step when used in conjunction with the TEST OSC switch.
This switch is active when the CE TEST switch is ON.
Toggle. This switch puts the line selected by the TEST LCW ADDRESS switches
in test mode. Data and ending-service requests on that line are blocked from
requesting channe I servi ce.
Rotary. With this switch in the REMOTE position, 2703 dc power can be turned on
or off only from the operator panel on the processor. With this switch in either the
DRIVER DEGATE or LOCAL position, 2703 dc power can be turned on or off at the
2703 operator panel. The DEGATE position must be selected to prevent channel
interference when 2703 power is turned ON or OFF.
Operations
2-15
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