IBM 5410 Maintenance Manual page 67

BSCA
BSCA DTTERM
ATTN READY
TEST
MODE
TSM CLEAR
MOOE TO SEND
RECEIVE CHAR
MODE PHASE
RECEIVE
BUSY
INITIAL
CONTROL DATA
MODE
ACU PWR
OFF
MODE
CALL
REQUEST
1200 BPS
ij
600 BPS
RATE SELECT
Note: Rate select switch is for machines
used outside the United States.
Figure 2-19. BSCA Control Panel
2.12.1.6 Receive Trigger Light
OT SET
READY
EXT
TEST SW
TSM
TRIGGER
RECEIVE
TRIGGER
UNIT
CHECK
DIGIT
PRESENT
OT LINE
IN USE
This light indicates the status of the receive trigger. The
light is on when the trigger is at a binary 0 state.
2. 12. 1. 7 Transmit Trigger Light
The TSM TRIGGER light indicates the status of the trans-
mit trigger. The light is on when the trigger is at a binary
0 state.
2. 12. 1.8 Receive Mode Light
This light indicates that the adapter has been instructed to
perform a receive operation.
2.12. 1.9 Transmit Mode light
The TSM MODE light indicates that the adapter has been
instructed to perform a transmit operation.
2.12.1.10 Receive Initial Light
This light is turned on by an SIO receive initial instruction.
It is turned off at the end of the receive initial operation.
2.12.1.11 Busy Light
This light indicates that the communication adapter is ex-
ecuting a receive initial, transmit and receive, auto call,
receive or loop test instruction.
2.12.1.12 Character Phase Light
The CHAR PHASE light indicates that the adapter has
established character synchronism with the transmitting
station. The light is turned off at the end of receive
operations and whenever character synchronism is lost.
2.12.1.13 Data Mode Light
This light is turned on by the decoding of an SOH or STX
during a transmit or a receive operation. It is turned off at
the end of the transmit or receive operation.
2.12.1.14 Control Mode Light
This indicator is used only on systems that have the station
select feature installed. The light is turned on by an EQT
sequence during a transmit, receive, or receive initial moni-
tor operation when the station select feature is installed. It
is turned off by the decoding of an SOH or STX.
2. 12. 1. 15 Digit Present light
This light indicates that a digit has been obtained from
storage for the auto call unit when the auto call feature has
been installed.
2.12.1.16 Auto Call Unit Power Off Light
The ACU PWR OFF light indicates that the auto call unit
(special feature) power is off.
5410 FEMM (1/71) 2-27
E