Installation guide

C1G124-24
1-2 Introduction
Figure 1-1 C1H124-48 Standalone Device
C1G124-24
The C1G124-24 (Figure 1-2) has several types of port connections, which include
• twenty-four front panel RJ45 ports (10BASE-T/100BASE-TX/1000BASE-T compliant), and
• four expansion slots for optional Mini-GBIC interface modules.
The 10/100/1000 Mbps fixed front panel ports can operate in either half-duplex or full-duplex
mode, as determined by Auto-Negotiation.
On the C1G124-24, there are four additional slots labeled 21 through 24 for 1-Gbps fiber-optic
connections via optional Mini-GBICs. However, the C1G124-24 can only support 24 slots. Using
any or all of the four additional Mini-GBIC slots (21 through 24) automatically disables the same
number of fixed RJ45 ports on a first-come, first-served basis during the system initialization
process.
For example, connections made to Mini-GBICs in Mini-GBIC slot 21 and 23 before initializing
the system, disables the fixed RJ45 ports 21 and 23. However, if connections are made after
initialization, the Mini-GBIC connections are ignored and the fixed RJ45 ports 21 and 23 remain
enabled.
The 10/100/1000 Mbps fixed front panel ports can operate in either half-duplex or full-duplex
mode, as determined by Auto-Negotiation.
A single LED is provided for each port to indicate link status and activity. The LED is lit when there
is a link, and flashes when there is traffic.
Redundant power supply (RPS) status LED Two fixed, RJ45, 1000 Mbps Gigabit Ethernet ports
RJ45 Console port Two expansion slots for optional Mini-GBICs
CPU LED Forty-eight fixed, RJ45, 10/100 Mbps Fast Ethernet
Ports
3831_00_01
CPU RPS
1 16 17 32 33 4849
51
2345678
9
10
1
1
12 13 14 15 18 19 20 21 22 23 24 25 26 27 28 29 30 31 34 35 36 37 38 39 40 41 42 43 44 45 46 4750 52
1
2
47
48
52
50
49
51
C1H124-48
ÃÀ
Ä
ÂÁ Å