T1 Cable; Isdn Cable - 3Com Router 3016 Installation Manual

64 C A: O
HAPTER PTIONAL

T1 Cable

ISDN Cable

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