![ABB ETL600 Instruction Manual Download Page 51](http://html.mh-extra.com/html/abb/etl600/etl600_instruction-manual_5338051.webp)
ETL600 1KHW001489-EN
ABB Switzerland Ltd
3.3.1.1. Frontplate
AL
AF
O4LE
RDY
RDY
ENA
0
2
3
7
8
12
SERVICE-
PHONE
RESET
SERVICE-
PHONE
'AL' LED
red:
Module hardware alarm
This LED is on, if a hardware alarm on the module is
detected.
'RDY' LED
green:
Module ready
On as long as the module is in normal operation
mode.
Flashes slowly during hardware alarm,
flashes fast corresponding to E&M signaling.
'
U
'
LED yellow:
Module warning
On as long as the module is not in normal operation
mode and no module alarm is present.
OP-PHONE:
'RDY' LED
green:
Service phone ready
On if the speech channel is available for the service
phone.
'ENA' LED
green:
Service phone enabled
On if the service phone is enabled on the module.
Flashes if the service phone is ringing.
'RESET' Push
button:
Reset
When pressed, the module resets and fetches
configuration data from flash EPROM.
Socket for the service phone.
Fig. 3-13
Frontplate O4LE
Structure and Function
November 2005
3-19
Summary of Contents for ETL600
Page 4: ......
Page 32: ......
Page 126: ......
Page 176: ......
Page 206: ......
Page 216: ......
Page 226: ......
Page 264: ......
Page 268: ......
Page 276: ......
Page 284: ......
Page 308: ......
Page 324: ......
Page 346: ......
Page 348: ......
Page 366: ......
Page 372: ......
Page 374: ......
Page 380: ......