Grandstream Networks GXW42XX series - Figure 1: Diagram of GXW4216;24;32;48 Panel; Table 1: Definitions of the GXW Connectors

FIRMWARE 1.0.4.4 GXW42XX USER MANUAL PAGE 11 OF 57
FIGURE 1: DIAGRAM OF GXW4216/24/32/48 PANEL
TABLE 1: DEFINITIONS OF THE GXW CONNECTORS
Ethernet port
Connect to the internal LAN network or router
RESET
Factory Reset button. Press and hold for a while to reset factory default settings.
DC IN
Power adapter connection
Analog port
Connect to analog phones / fax machines with an RJ21 to RJ11 cable
FXS ports
FXS port to be connected to analog phones / fax machines.