Specifications

1-4 Cisco 2500 Series Hardware Installation
System Specifications
1. 1.75" = One rack unit.
2. EIA/TIA-232 and EIA/TIA-449 were known as recommended standards RS-232 and RS-449 before their
acceptance as standards by the Electronic Industries Association (EIA) and Telecommunications Industry
Association (TIA).
3. NRZ = Nonreturn to zero. NRZI = Nonreturn to zero inverted.
4. DTE = Data terminal equipment. DCE = Data communications equipment.
Ethernet interface Attachment unit interface (AUI) IEEE 802.3 (DB-15)
Hub interface 8, 14, or 16 RJ-45 (10BaseT)
Token Ring interface IEEE 802.5 (DB-9), 8 or 16 RJ-45
Synchronous serial
interfaces
EIA/TIA-232
2
, EIA/TIA-449, V.35, X.21 (NRZ/NRZI
3
and
DTE/DCE
4
)
EIA-530 (NRZ/NRZI and DTE) All serial cables use a DB-60
chassis connector.
Asynchronous serial
interfaces
EIA/TIA-232, EIA/TIA-449, with hardware flow control
support
Asynchronous serial interfaces use the breakout cable (RJ-45)
BRI ISDN Basic Rate S/T (RJ-45) (2503, 2504, and 2516 only)
Console and auxiliary ports Asynchronous serial (RJ-45)
Operating environment 32 to 104°F (0 to 40°C)
Nonoperating temperature -40 to 185°F (-40 to 85°C)
Operating humidity 5 to 95%, noncondensing
Noise level 34 dBa @ 3' (0.914 m)
Agency approvals Safety: UL 1950, CSA 950, EN60950, TUV-GS-mark
EMI: FCC Class A, VCE Class B, Canadian DOC Class A,
EN55022 Class B (CISPR22 Class B), VCCI Class 2
Description Design Specification