Hitachi GS4000 Series Installation Manual page 82

GS4000 Installation Guide Revision 4.00
(14) NP192-1S
The NP192-1S is a Network Interface providing 1 OC-192 POS interface port.
Front View
The LED indicators are listed in Table 1.6-15
LEDs
Figure 1.6-15 Front view of NP192-1S
LEDs
Table 1.6-15 LED Indications on the NP192-1S Front Panel
Name Color
STATUS Green/Yellow/Red
LINK Green／Yellow
R Green
T Green
U S2 Green
U S3 Green
D S2 Green
D S3 Green
1-64
OC-192c POS Interface Port
Role Action status
Green (ON) : operation possible.
Yellow (ON): locked out
Shows the action status
Green (blinking): in preparation for startup
of NIF.
Red (ON): failure detected
OFF: NIF powered off（NIF exchangeable）
Green (ON): line operation possible（line is open）
Yellow (ON): failure detected
Yellow (blinking): network loopback being tested
Shows the action status
of an interface line.
OFF: Locked out.
Green (ON): frames being received
Green (ON): frames being sent
Shows the processing status of packets (for hardware debugging).
520-10-026-30X