3.Observe the Signal/Pin relationships on the Model 2111’s Line Interface jack. This Line Interface is a 2 wire interface.
| 1 | (N/C) | |
1 | 2 | (N/C) | |
3 | (N/C) | ||
2 | |||
3 | 4 | (Tip) | |
4 |
|
|
55 (Ring)
6 | 6 (N/C) |
7 | |
8 | 7 (N/C) |
8 (N/C)
Figure 3. Model 2111 twisted pair line interface.
4.Connect the Line interface of a Model
SIGNAL | PIN | PIN | SIGNAL |
Tip | 4 | 4 | Tip |
Ring | 5 | 5 | Ring |
NOTE: Any modular twisted pair cable connected to the Model 2111 must be shielded cable, and the outer shield must be properly terminated to a shielded modular plug on both ends of the cable
7
3.2 CONNECTING THE 10BASET ETHERNET INTERFACE
The
| 1 | TD+ (data output from 2111 | |
1 | 2 | TD- (data output from 2111) | |
3 | RD+ (data input to 2111) | ||
2 | |||
3 | 4 | (no connection) | |
4 |
|
|
55 (no connection)
6 | 6 | RD- (data input to 2111) |
7 | ||
8 | 7 | (no connection) |
| 8 | (no connection) |
Figure | 4. Line Interface. |
3.2.1 Connecting the 10Base-T Ethernet Port to a Hub
The Model 2111
2111 | |||
1 | (TX+) | 1 | (RX+) |
2 | 2 | ||
3 | 3 | (TX+) | |
6 | 6 |
3.2.2 Connecting the 10Base-T Ethernet Port to a PC (DTE)
The Model 21111
2111 | |||
1 | (TX+) | 1 | (TX+) |
2 | 2 | ||
3 | (RX+) | 3 | (RX+) |
6 | 6 | ||
|
| 8 |
|