Development Board Leds - Digi Connect ME Hardware Reference Manual

Development Board LEDs

The development board contains 25 LEDs that are labeled CR1 through CR25. The following table
lists and describes the LEDs.
Board
Label
Development Board LED Descriptions
Description
CR1 TXD, Secondary Serial Port Yellow
CR2 TXD, Secondary Serial Port Yellow
CR3 RXD, Secondary Serial Port Yellow
CR4 RXD, Secondary Serial Port Green
CR5 DCD, Primary Serial Port Yellow
CR6 DCD, Primary Serial Port Green
CR7 DSR, Primary Serial Port Yellow
CR8 DSR, Primary Serial Port Green
CR9 CTS, Primary Serial Port Yellow
CR10 CTS, Primary Serial Port Green
CR11 RXD, Primary Serial Port
CR12 RXD, Primary Serial Port
CR13 DTR, Primary Serial Port Yellow
CR14 DTR, Primary Serial Port Green
CR15 RTS, Primary Serial Port Yellow
CR16 RTS, Primary Serial Port Green
CR17 TXD, Primary Serial Port Yellow
CR18 TXD, Primary Serial Port Green
Indication
State
On
On
On
On Logic 0 on TTL, space, +V on line side
On
On Logic 0 on TTL, space, +V on line side
On
On Logic 0 on TTL, space, +V on line side
On
On Logic 0 on TTL, space, +V on line side
On
On
On
On Logic 0 on TTL, space, +V on line side
On
On Logic 0 on TTL, space, +V on line side
On
On Logic 0 on TTL, space, +V on line side
3 7
D e v e l o p m e n t B o a r d L E D s
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side
Logic 1 on TTL, mark, -V on line side