Can VeEX MTX150 Test Set Be Used To Test EIA/TIA-530 Datacom Links?

Technically YES, using the RS-449 Datacom test mode, since the signals are compatible with RS-530. However, we don't offer a DB25 test cable for RS-530. A DB37-to-DB25 adapter can easily be made, to match the specific pin-out of the DUT.

Although the MTX150 does not offer a test mode selection for EIA-530, TIA-530, RS-530 or RS530, the RS-499 serial interface shares the same signals and it can be used to test RS-530 links. However, the typical RS-530 interface uses a DB25 connector, while the RS-449 cable supplied by VeEX uses DB37 connector. So, a DVI-to-DB25 or DB37-to-DB25 adapter would be required.

There are some different versions of the RS-530 interface and connectors, which makes it difficult to offer a single native test cable for it. That is why we recommend making adapters for the DB37 RS449 cable or adapter cables directly from the DVI connector to RS-530, with the required connector and pin-out for the DUT.

Test Set's Configurable Datacom Connector

VeEX's MTX150 Connector Panel view

When ordered with the Datacom testing (hardware) option, the MTX150 comes equipped with a female 29-pin MicroCross connector (DVI style). The port can be configured as DTE or DCE. This is the generic pin-out:

29-pin MicroCross (DVI) Connector used as the main configurable datacom interface

TX130E & MTX150 DVI Connector (Female)
Pin Signal
1 TXC_RXC_A
2 CTS_A
3 DSR_A
4 DCD_A
5 RI_RL
6 LL_TM
7 RTS_A
8 DTR_A 
9 TXC_RXC_B 
10 CTS_B
11 DSR_B
12 DCD_B
13 TM_LL
14 RL_RI
15 RTS_B
16 DTR_B
17 RXC_A
18 RXC_B
19 RXD_A
20 RXD_B
21 TXD_B
22 TXD_A 
23 TXCE_B
24 TXCE_A
C1 Ground
C2 Ground
C3 Ground
C4 Ground
C5 Ground

RS530 DTE Connector Pin-out (DB25)

Ordering Part Number: N/A

DB25 DTE (male) Connector

Pin      Signal   Description
1   Shield
2 TxD Transmitted Data
3 RxD Received Data
4 RTS Request To Send
5 CTS Clear To Send
6 DSR Data Set Ready
7 SGND Signal Ground
8 DCD Data Carrier Detect
9   Rtrn Receive Sig. Elmnt Timing
10   Rtrn DCD
11   Rtrn Transmit Sig. Elmnt Timing
12   Rtrn Transmit Sig. Elmnt Timing
13   Rtrn CTS
14   Rtrn TxD
15   Transmit Signal Element Timing
16   Rtrn RxD
17   Receive Signal Element Timing
18 LL Local Loopback
19   Rtrn RTS
20 DTR Data Terminal Ready
21 RL Remote Loopback
22   Rtrn DSR
23   Rtrn DTR
24   Transmit Signal Element timing
25   Test Mode

RS530 DCE Connector Pin-out (DB25)

Ordering Part Number: N/A

DB25 DCE (female) Connector

VeEX RS449 DTE Test Cable (DVI-to-DB37)

Ordering Part Number: F02-00-016G

29-pin MicroCross (DVI) Connector used as the main configurable datacom interface RS499 DTE DB-37 Male Connector

DVI (Male)   DB-37 (Male)
Pin Signal Pin Signal
1 TXC_RXC_A 5 ST(A) 
2 CTS_A 9 CS(A)
3 DSR_A 11 DM(A)
4 DCD_A 13 RR(A)
5 RI_RL   ***
6 TM_LL 10 LL 
7 RTS_A 7 RS(A)
8 DTR_A 12 TR(A)
9 TXC_RXC_B 23 ST(B)
10 CTS_B 27 CS(B)
11 DSR_B 29 DM(B)
12 DCD_B 31 RR(B)
13 LL_TM 18 TM 
14 RL_RI 14 RL 
15 RTS_B 25 RS(B)
16 DTR_B 30 TR(B)
17 RXC_A 8 RT(A) 
18 RXC_B 26 RT(B)
19 RXD_A 6 RD(A)
20 RXD_B 24 RD(B)
21 TXD_B 22 SD(B)
22 TXD_A 4 SD(A)
23 TXCE_B 35 TT(B)
24 TXCE_A 17 TT(A)
C1 GND    
C2 GND    
C3 GND    
C4 GND    
C5 GND 1 PGND
C5 GND 19 SGND
Shield GND Shield GND

VeEX RS449 DCE Test Cable (DVI-to-DB37)

Ordering Part Number: F02-00-015G

29-pin MicroCross (DVI) Connector used as the main configurable datacom interface  RS449 DCE DB-37 Female Connector

DVI (Male)   DB-37 (Female)
Pin Signal Pin Signal
1 TXC_RXC_A 5 ST(A) 
2 CTS_A 7 RS(A)
3 DSR_A 12 TR(A)
4 DCD_A 13 RR(A)
5 RI_RL 14 RL 
6 LL_TM 18 TM 
7 RTS_A 9 CS(A)
8 DTR_A 11 DM(A)
9 TXC_RXC_B 23 ST(B)
10 CTS_B 25 RS(B)
11 DSR_B 30 TR(B)
12 DCD_B 31 RR(B)
13 TM_LL 10 LL 
14 RL_RI   ***
15 RTS_B 27 CS(B)
16 DTR_B 29 DM(B)
17 RXC_A 17 TT(A)
18 RXC_B 35 TT(B)
19 RXD_A 4 SD(A)
20 RXD_B 22 SD(B)
21 TXD_B 24 RD(B)
22 TXD_A 6 RD(A)
23 TXCE_B 26 RT(B)
24 TXCE_A 8 RT(A) 
C1 GND    
C2 GND    
C3 GND    
C4 GND    
C5 GND 1 PGND
C5 GND 19 SGND
Shield GND Shield GND

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