Installation guide

Switch Specifications
A-2 Specifications
B2G124-48

RJ45ports 1 through 48 Forty-eight, 10BASE-T/100BASE-TX/1000BASE-T compliant
ports with auto-sensing and auto-negotiation through the RJ45
connections.
SFP ports 45 through 48 Four slots that support optional Mini-GBICs for 1000BASE-FX
fiber-optic connections and 1000BASE-T copper connections.
When an SFP transceiver (Mini-GBIC) is installed in ports 45
through 48 and establishes a link, the associated fixed front
panel RJ45 10BASE-T/100BASE-TX /1000BASE-T port is
disabled.
B2H124-48

RJ45ports 1 through 48 Fifty-two, 10BASE-T/100BASE-TX compliant ports with auto-
sensing and auto-negotiation via RJ45 connectors.
SFP ports 49 through 52 Four slots that support optional Mini-GBICs for 1000BASE-T
Gigabit copper and 1000BASE-FX fiber-optic connections.
Unlike the B2G124-24 and B2G124-48, all ports may be linked
and operating without affecting any RJ45 ports.
Processors/Memory
Processor MPC8245, 400 MHz processor
Dynamic Random Access
Memory (DRAM)
256 MB
FLASH Memory 32 MB
Physical
Dimensions 4.4 H x 44.1 W x 36.85 D (cm)
1.7 H x 17.4 W x 14.5 D (in.)
Approximate Weight
B2G124-24 Gross:
Net:
6.30 kg (13.9 lb) (shipping carton containing one
module)
5.05 kg (11.1 lb) (one module without packaging)
B2G124-48 Gross:
Net:
6.96 kg (15.3 lb) (shipping carton containing one
module)
5.71 kg (12.6 lb) (one module without packaging)
B2H124-48 Gross:
Net:
6.52 kg (14.3 lb) (shipping carton containing one
module)
5.27 kg (11.6 lb) (one module without packaging)
Table A-1 Switch Specifications (continued)
Item Specification