Epson FEH300b - Manual (Page 31)

2-17
2-5 Modular Jack (MJ1 / MJ2)
A screen data transfer cable (MJ1 only), temperature controller, barcode reader, CREC, or V-I/O can be connected to the
modular jack (MJ1 or MJ2).
• For NP5M0101-5H4/4H4
NP5N0011-5H4/4H4
Bottom view Bottom view
Pins of MJ1 and MJ2 correspond to signals as given below.
MJ1/2 Pin No. Signal Contents
1 +SD/RD RS-485 + data
2 -SD/RD RS-485 - data
3 +5V Externally supplied +5 V
(Note: 1)
4 +5V
5 SG Signal ground
6 SG
7 RD RS-232C receive data
8 SD RS-232C send data
Note: 1) Allowable current for the external power supply +5V at MJ1/MJ2/USB-A of the @E.Terminal.
• For MJ1 and MJ2, the maximum allowable current is 150 mA in total.
• When connecting an optional unit or communication unit, be careful not to exceed the total allowable current
(650 mA) for USB-A, MJ1 and MJ2.
1 2 3 4 5 6 7 8
• For NP5M0101-3H4
NP5N0011-3H4