Справочник Пользователя для Cabletron Systems BRIM-F6
Twisted Pair Cable Length
BRIM-F6 User’s Guide
Page 4-7
Maximum total
cable length:
cable length:
100 km (62 miles) — dual ring
200 km (124 miles) — wrapped
200 km (124 miles) — wrapped
Maximum twisted
pair cable length between
adjacent nodes:
pair cable length between
adjacent nodes:
100 m (328.1 feet)
4.3
Twisted Pair Pinout Configuration
This section provides the RJ-45 pinout configuration for Unshielded
Twisted Pair (UTP) and Shielded Twisted Pair (STP) Physical Layer
Medium Dependent (PMD) ports.
Twisted Pair (UTP) and Shielded Twisted Pair (STP) Physical Layer
Medium Dependent (PMD) ports.
Note: When connecting two twisted pair ports together, a transmit and receive
cross-over must occur between the two devices (within the cable).
cross-over must occur between the two devices (within the cable).
Figure 4-1. RJ-45 TP-PMD Port
Contact
Signal
1
Transmit +
2
Transmit -
3
N/A
4
N/A
5
N/A
Pin 1
Pin 8
BRIM-F Book Page 7 Monday, January 29, 1996 9:26 AM