3Com Router 3016, Руководство по установке

Страница: 64 / 72

64 C
HAPTER
A: O
PTIONAL
C
ABLE
S
PECIFICATIONS
T1 Cable
Table 14 describes T1 cable pinouts.
ISDN Cable
ISDN S/TInterface Cable
Pinouts
Table 15 describes ISDN S/T interface cable pinouts.
1 LL/LL -> LL 18
20 RXD/TXD+ <- RXD+ 3
44 RXD/TXD- <- RXD- 16
15 TXD/RXD+ -> TXD+ 2
39 TXD/RXD- -> TXD- 14
16 TXCE/RXC+ -> TXCE+ 24
40 TXCE/RXC- -> TXCE- 11
19 RXC/TXCE+ <- RXC+ 17
43 RXC/TXCE- <- RXC- 9
18 TXC/NIL+ <- ST+ 15
42 TXC/NIL- <- ST- 12
- Shielding sheath <--> Shielding sheath -
Table 13 EIA-530 DTE Cable Pinouts (continued)
DB50 Signal Signal Direction Signal DB25
Table 14 T1 Cable Pinouts
RJ-45
Straight-through
Shielded
Network Cable
Signal Description RJ-45
1 White (Orange) Rx Ring 1
2 Orange Rx Tip 2
3 White (Green) - - 3
4 Blue Tx Ring 4
5 White (Blue) Tx Tip 5
6 Green - - 6
7 White (Brown) - - 7
8 Brown - - 8
Table 15 ISDN S/TInterface Cable Pinouts
RJ45 Signal RJ45
1 - 1
2 - 2
3 Tx+ 3
4 Rx+ 4
5 Rx- 5
6 Tx- 6
7 - 7
8 - 8