3COM® WIRELESS LAN MOBILITY SYSTEM
4 3COM
®
MSR 20 SERIES MULTISERVICE ROUTERS
SPECIFICATIONS
All information in this section is relevant to the MSR 20-20,
20-21 and 20-40 unless stated otherwise.
MIM = Multi-function Interface Module
SIC = Smart Interface Controller
DSIC = Double-width Smart Interface Controller
SLOT AND PORT CAPACITY
MSR 20-20
SIC slots: 2 single-width
1 Enhanced Service Module (ESM) slot, for advanced or standard
encryption accelerators
2 10/100 Ethernet ports
1 console port
1 USB 1.1 port
1 auxiliary port
MSR 20-21
SIC slots: 2 single-width
1 ESM slot, for advanced or standard encryption accelerators
10 10/100 Ethernet ports
1 console port
1 USB 1.1 port
1 auxiliary port
MSR 20-40
SIC slots:
› 4 single-width or
› 2 single-width and 1 double-width or
› 2 double-width
2 ESM slots, for advanced or standard encryption accelerators
2 Voice Processor Module (VPM) slots, for optional 8-, 16-, 24- or 32-
channel processors
1 Voice Co-Processor Module (VCPM) slot
2 10/100 Ethernet ports
1 console port
2 USB 1.1 ports
1 auxiliary port
PROCESSORS
Power PC 400 MHz
Voice Processing Module
8 voice channels
Enhanced Service Module
Standard or advanced encryption
SYSTEM MEMORY
4 Mb boot ROM
256 Mb (default) to 384 Mb DDR SDRAM
256 Mb CompactFlash
POWER SUPPLY
AC Power
100 to 240 VAC, 50/60 Hz
210W maximum
PHYSICAL SPECIFICATIONS
MSR 20-20
Height: 44.2 mm (1.7 in)
Width: 360.0 mm (17.2 in)
Depth: 287.1 mm (11.3 in)
Weight: 3.0 kg (6.6 lb)
MSR 20-21
Height: 44.2 mm (1.7 in)
Width: 360.0 mm (17.2 in)
Depth: 287.1 mm (11.3 in)
Weight: 3.5 kg (7.7 lb)
MSR 20-40
Height: 44.2 mm (1.7 in)
Width: 442.0 mm (17.2 in)
Depth: 407.1 mm (16.0 in)
Weight: 8 kg (17.6 lb)
ENVIRONMENTAL
Operating temperature: 0° to 40° C (32° to 104° F)
Storage temperature: -40° to 70° C (-40° to 158° F)
Humidity (operating and storage): 5% to 90% non-condensing
Optional ESM, VCPM, and VPM components
