Multitech MTPRI-HD30B manual Card Components, Position DIP Switch

PRI Card User Guide

Card Components

The 8-position DIP switch is located on the lower portion of the card and is used to set the operating modes of the card. The T1 line connector is a RJ48C connector located on lower back of the card and is used to connect to the T1 line facility. The PRI card components are descirbed in detail in the following sections.

Status LEDs

J9

J8

J101

J103

LED 1

J100

LED 2

LED 3

F5

LED 4

LED 5

LED 6

OPEN

LED 7

F1

J1

LED 8

F2

LED 9

1

2

3

4

5

7

F4F3

LED 10

6

8

Figure 2. Card Components

Power Supply Fuse F5 (3 Amp)

8-Position DIP Switch

T1 Line

Connector

T1 Line Protection

Fuses F1-F4 (3 Amp)

8-Position DIP Switch

The 8-position DIP switch shown in Figure 4 is used to select various PRI card operating modes. The default settings of the DIP switch module are also shown in Figure 3.

							OPEN
		1			2	3	4 5 6 7	8
				Figure 3. 8-position DIP Switch
	The DIP-switch selections are described in the following listings.
Switch	Function		Open						Closed
Number
1	Selects Jitter Attentuation		Activate Jitter Attentuation						Activate Jitter Attentuation in
	path		in receive path						transmit path
2	Selects TOS		Transmit data inputs						Normal
			ignored, instead transmits
			a stream of ones
3	Selects local loopback		Local loopback test						Normal
			enabled
4	Selects remote loopback		Remote loopback test						Normal

4 CommPlete Communications Server