Reference our Specs

Thirteen-slot chassis and fan tray

Optional redundant AC or DC, auto-sensing, load-sharing power supplies, each with its own power cord

C8541CSR-RP and C8542CSR-SP modules running L3 Cisco IOS software

40 Gbps shared memory, nonblocking fabric

16 MB of Flash memory standard, plus up to 20 MB through PC Flash cards

256 MB DRAM system memory

Ethernet port for out-of-band management

Dual EIA/TIA-232 serial ports (console, auxiliary port)

Ethernet ports: RX and TX LEDs, link state, 10/100 indicator

ATM ports: RX and TX LEDs, link state

Route Processor: Status LED, fan and power supply operational LEDs PC card slot 0/1 LEDs, Ethernet RX and TX LEDs, link state

Two T1/E1 BITS interfaces

DB-9 alarm connector

Output clock at 19.44 MHz

Local clock with Stratum-3 quality

Free-run accuracy of 4.6 * 10-6

Holdover stability 0.37 ppm in 24 hours

Bellcore GR1244 and GR253 compliant

17.6A @ 100 VAC, 60 Hz, 14.6A @ 115 VAC, 60 Hz; 7A @ 230 VAC, 50 Hz with chassis fully configured

100-127, 200-240 VAC, 8/4A, 47-63 Hz

25.25 x 17.3 x 18.25 in. (64.14 x 43.9 x 46.36 cm)

70 lb (31.7 kg)

160 lb (72.5 kg)

1.2 x 14.4 x 16.0 in. (3.0 x 36.6 x 40.6 cm)

1.2 x 13.0 x 10.0 in. (3.0 x 33.0 x 25.4 cm)

-500 to 10,000 ft. (-52 to 304 m)

32 to 104°F (0 to 40°C)

-40 to 167°F (-40 to 75°C)

10 to 90% noncondensing

UL 1950

EN 60950

CSA-C22.2 No. 950-93Electromagnetic Emissions

IEC 950

Network Equipment Building Systems (NEBS) Level 3

FCC Part 15 (CFR 47) Class A

N 55022 Class A with UTP and Class B with FTP

CISPR 22 Class A with UTP and Class B with FTP

VCCI Class A with UTP and Class B with FTP

AS/NZS 3548 Class A with UTP and Class B with FTP