Northern UTA220/UTA220k manual DB-25 34 Pin Function, Table D-3V.35 Pin Functions

Interfaces

		Table D-3:V.35 Pin Functions
DB-25	M-34 Pin		V.35 Function
Pin
1	A		Protective Ground
2	P		Transmitted Data A
3	R		Received Data A
4	C		Request to Send (RTS)
5	D		Clear to Send (CTS)
6	E		Data Set Ready (DSR)
7	B		Signal Ground (SG)
8	F		Received line signal detect
13	AA/a		Transmit clock B
14	S		Transmitted data B
15	Y		Transmit clock A
16	T		Received data B
17	V		Receive clock A
18	J		Ring Indicator (RI)
19	X		Receive clock B
20	H		Data Terminal Ready (DTR)
21	BB/b		Remote loopback
22	L		LL Loopback
25	K		Test Mode

Table D-4 describes the pin functions of the DTE interfaces available on ports three and four of the UTA220. Use the table corresponding to the DTE interface on ports three and four of your UTA220.

Caution: Connection to pins designated “Not Used” may cause unforeseen problems. Pins designated “Not Connected” have no electrical connection to the UTA220.

UTA220/UTA220k D-3