A. Specifications
J16 and J17 (COM1/COM2 Connectors) J16 (COM1) and J17 (COM2) are 9-pin D-shell connectors (AMP 179952-3) providing an
interface to the processor board’s COM channels. See the “J16/J17 COM1/COM2
Connectors Pinout” table for pin definitions and the “Connector Locations” figure to identify
J16 and J17 on the ZT 4807.
J16/J17 COM1/COM2 Connectors Pinout
Pin Function Pin Function
1 Data Carrier Detect 6 DCE (Data Set) Ready
2 Received Data 7 Request to Send
3 Transmitted Data 8 Clear to Send
4 DTE (Data Terminal) Ready 9 Ring Indicator
5 Signal Ground
J19 (VGA Interface Connector) J19 is an HD15, 15-pin, female, D-shell connector (AMP 177514-9) providing a rear-panel
interface for the processor board’s video adapter. See the “J19 VGA Interface Connector
Pinout” table for pin definitions and the “Connector Locations” figure to identify J19 on the
ZT 4807.
J19 VGA Interface Connector Pinout
Pin Function Pin Function
1 RED 9 VCC
2 GRN 10 SGND
3 BLUE 11 N/C
4 N/C 12 SDA
5 DGND 13 HYSNC
6 RGND 14 VSYNC
7 GGND 15 SCL
8 BGND
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