RAD Data comm operation manual ASMi-31 PCB Layout ASMi-31 Internal Jumpers and Switches

Chapter 2. Installation and Setup ASMi-31Installation and Operation Manual

2

CHASS-GND

CON	JP18
DIS

1

JP14 RLB DIS EN

EN

DIS

LLB

JP15

CLOCK

JP9	LBT
	INT
	EXT

3

4

SLAV DSR DCD 1STB

EVEN P.EN 8BIT

ASY

SW6

SW7		9	A		B	C
	8					D
							E
	7						F
	6
		5		4	3	2	1

DIP	7 8	MAST
		DTR
	6	CNT
	5	2STB
		ODD
	4
		DIS
	2	7BIT
	1	SYNC

POS BAUD

00.6K

11.2K

22.4K

34.8K

49.6K

519.2K

638.4K

748K

8*56K

964K A 128K B *144K C *57.6K D *115.2K E 16K

F 32K

5

			6
		* Baud rates not applicable.
		Figure 2-1 ASMi-31 PCB Layout
		Table 2-1 ASMi-31 Internal Jumpers and Switches
Item	Jumper	Description	Values	Default Setting
1	RLB, JP14	Controls the remote loopback	DIS – The RLB activation from	DIS
		activation from the DTE	the DTE is disabled
			EN – The RLB activation from
			the DTE is enabled
2	CHASS-GND,	Controls the connection	CON – Signal ground is	CON
	JP18	between the ASMi-31 signal	connected to the frame ground
		ground and the frame (chassis)	DIS – Signal ground is
		ground	disconnected from the frame
			ground

Note: Disconnecting the signal ground from the frame ground may render the unit unsafe for connection to unprotected telecommunication networks in some locations.

2-4 Installation and Setup

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