COM20019I_0610 Datasheet, PDF (24/70 Pages) SMSC Corporation – Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM

RAM
Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip
Table 5.1 - Typical Media
CABLE TYPE
RG-62 Belden #86262
RG-59/U Belden #89108
RG-11/U Belden #89108
IBM Type 1 (See Note 5.2)
Belden #89688
IBM Type 3 (See Note 5.2)
Telephone Twisted Pair Belden
#1155A
COMCODE 26 AWG Twisted Pair
Part #105-064-703
NOMINAL
IMPEDANCE
93Ω
75Ω
75Ω
150Ω
100Ω
105Ω
Note 5.2 Non-plenum-rated cables of this type are also available.
ATTENUATION PER 1000 FT.
AT 5 MHZ
5.5dB
7.0dB
5.5dB
7.0dB
17.9dB
16.0dB
Note:
For more detailed information on Cabling options including RS-485, transformer-coupled RS-485 and Fiber
Optic interfaces, please refer to TN7-5 – Cabling Guidelines for the COM20020 ULANC, available from
Standard Microsystems Corporation.
Rev. 10-31-06
Page 24
DATASHEET
SMSC COM20019I 3.3V Rev.C