4-6 Cisco 4000 Series Hardware Installation and Maintenance
Reading Network Processor Module LED Indicators
Four Port Serial Module Indicators
The four port serial network processor module has six LEDs per port. (See Figure 4-5 and
Figure 4-6.) LED Indicators and colors are explained in Table 4-1. The four port serial LEDs
functions are different from the dual serial module’s functions.
Figure 4-5 Four-Port Serial Network Processor Module Ports
Figure 4-6 G.703/G.704 Serial Network Processor Module Ports (DB-15)
60-Pin
ports
H1981
PORT-3 PORT-2
PORT-1 PORT-0
P-3
P-1
P-2
P-0
P-3 P-2 P-1`
P-0
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LEDs
60-Pin
ports
Alignment
groove
Alignment
groove
H2792
PORT-3 PORT-2
PORT-1 PORT-0
P-3
P-1
P-2
P-0
P-3 P-2 P-1`
P-0
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LP
CN
TD
TC
RD
RC
LEDs
DB-15
female
ports
DB-15
female
ports
E1
E1