DTE Shield (M/34 Pin A) & FRGND (JB3). In the connected position, this strap links M/34 pin A & frame ground. In the open position, pin A is disconnected from frame ground (see Table 2).
| Table 2: JB3 strap settings |
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|
Position | Description |
|
|
1 & 2 | DTE Shield (Pin A) and FRGND Connection |
2 & 3 | DTE Shield (Pin A) and FRGND Not Connected |
|
|
SGND & FRGND (JB4). In the connected position, this strap links Signal Ground and frame ground through a 100 ohm resistor. In the open posi- tion, signal ground is disconnected from frame ground (see Table 3).
| Table 3: JB4 strap settings |
|
|
Position | Description |
|
|
1 & 2 | SGND and FRGND Connected |
2 & 3 | SGND and FRGND Not Connected |
|
|
Model 1001RCM11548C Strap Settings
Figure 6 on page 14 shows strap locations for the Model 1001RCM11548C (DB-15) rear cards. These straps determine various grounding characteristics for the terminal interface and twisted pair lines. JB3 and JB4 are user configurable.
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