Cabletron Systems Spectrum EMM-E6 Uživatelská příručka stáhnout pdf (Strana 25)

Twisted Pair Cable Length

BRIM-F6 User’s Guide Page 4-7

Maximum total

cable length: 100 km (62 miles) — dual ring

200 km (124 miles) — wrapped

Maximum twisted

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.

Note: When connecting two twisted pair ports together, a transmit and receive

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

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 42 43

Žádné komentáře

Cabletron Systems Spectrum EMM-E6 Uživatelská příručka Strana 25