|
Cisco 1921 Integrated Services Router |
Services and Slot Density |
Embedded hardware-based cryptography acceleration (IPsec + SSL) |
Yes |
RJ-45 onboard LAN/WAN 10/100/1000 ports |
2 |
EHWIC slots |
2 |
Doublewide EHWIC slots (use of a doublewide EHWIC slot will consume 2 EHWIC slots) |
1 |
Cisco Integrated Services Module (ISM) slots |
0 |
Memory (DDR2 DRAM): Default/maximum |
512 MB/512 MB |
USB flash memory (internal): Default/maximum |
256 MB/256 MB |
External USB flash-memory slots (Type A) |
1 |
USB console port (mini-Type B) (up to 115.2 kbps) |
1 |
Serial console port (up to 115.2 kbps) |
1 |
Serial auxiliary port (up to 115.2 kbps |
1 |
Integrated power supply |
AC and DC power-supply models |
Power-supply options |
POE (external) - on AC models only |
Redundant-power-supply support |
No |
Power Specifications |
AC input voltage |
100-240V ~ |
AC input frequency |
47-63 Hz |
AC input current range AC power supply (maximum) (amps) |
1.5-0.6 |
AC input surge current |
<50A |
Typical power (no modules) |
25W |
Maximum power capacity with AC power supply |
60W |
Maximum power capacity with PoE power supply (platform only) |
70W |
Maximum PoE device power capacity with PoE power supply |
80W |
DC power input |
32-60 VDC, 4A, positive or negative, single source |
DC input wire size |
AWG 14 (2.0 mm2) |
Safety ground-wire size |
AWG 14 (2.0 mm2), minimum |
Wire terminal (lug) |
Amp/Tyco No.32957 |
Overcurrent protection |
20A maximum |
Physical Specifications |
Dimensions (H x W x D) |
1.75 x 13.5 x 11.5 in. (4.45 x 34.29 x 29.21 cm) |
Rack height |
1 rack unit (1RU) |
Rack-mount 19 in. (48.3 cm) EIA |
Optional |
Wall-mount (refer to installation guide for approved orientation) |
Yes |
Weight: With AC power supply (no modules) |
6.75 lb |
Weight: With PoE power supply (no modules) |
7.5 lb |
Airflow |
Back to sides |
Environmental Specifications |
Operating Conditions |
|
Temperature: 5906 ft (1800m) maximum altitude |
32-104°F (0-40°C) |
Temperature: 9843 ft (3000m) maximum altitude |
32-77°F (0-25°C) |
Altitude |
10,000 ft (3,000m) |
Humidity |
10 to 85% relative humidity (RH) |
Acoustic: Sound pressure (typical/maximum) |
32.99/58.33 dBA |
Acoustic: Sound power (typical/maximum) |
41.99/67.22 dBA |
Transportation and Storage Conditions |
Temperature |
-40 to 158°F (-40 to 70°C) |
Humidity |
5 to 95% RH |
Altitude |
15,000 ft (4,570m) |
Regulatory Compliance |
Safety |
UL 60950-1
CAN/CSA C22.2 No. 60950-1
EN 60950-1
AS/NZS 60950-1
IEC 60950-1 |
EMC |
47 CFR, Part 15
ICES-003 Class A
EN55022 Class A
CISPR22 Class A
AS/NZS 3548 Class A
VCCI V-3
EN 300-386
EN 61000 (Immunity)
EN 55024, CISPR 24
EN50082-1 |
Telecom |
TIA/EIA/IS-968
CS-03
ANSI T1.101
IEEE 802.3
RTTE Directive |