49
Serial Interface
V M - 8 3
S C - 3 1 S
V M - 8 3
S C - 3 1 S
V M - 8 3
S C - 3 1 S
V M - 8 3
S C - 3 1 S
S C - 3 1 M
C o m p u t e r
V M - 8 3
S E R I A L
C o m p u t e r
S e r i a l i n t e r f a c e
c o n n e c t o r
9 - p i n D - s u b p l u g ,
f e m a l e
C r o s s - w i r e d s e r i a l c a b l e
( n u l l m o d e m )
Preparation
1. Turn power to the VM-83 and the computer off.
2. Use a separately purchased cable to connect the serial interface connector
on the rear panel of the VM-83 to the computer.
Cable : Generic cross-wired serial cable (null
modem)
Connector type on VM-83: 9-pin D-sub, male
1:1 connection
1:N connection
When wishing to connect multiple VM-83 units (up to 16) to one com-
puter, the optional SC-31M/SC-31S adapters and LAN cables (generic
10BaseT cable) are required.
Connection example
Maximum allowable wiring distance: 400 m