Vt420 Rear Connector Panel And Loopback Connectors - Digital Equipment VT420 Service Manual

Troubleshooting and Testing 15
If the test finds an error:
The screen displays the following message. See Table 2-3.
VT420 DEC-423 Port Error -- 5
Comm2 Port
6-Pin, DEC-423
Connector
(Also, Printer Port)
Comm2 Port
6-Pin. DEC-423
Connector
(Also, Printer Port)
From
Pin
2
4
6
12
To
Pin
3
5
20
19
Worldwide
North American
Power
Receptacle
Comm1 Port Power
6-Pin, DEC-423 Cord
Connector
Loopback Connectors
To
Pin
15
8
22
17
~
6-Pin
~
(12-25083-01)
From To
Pin
Pin
1
6
2 5
3 4
GSF_1448_89.DG
Figure 2-2 VT420 Rear Connector Panel and Loopback Connectors