Edw-ml8021 gsm gprs modem user’s manual page 1 edw-ml8021 gsm gprs modem user’s manual sales@eddywireless.Com www.Eddywireless.Biz.
Edw-ml8021 gsm gprs modem user’s manual page 2 content edw-ml8021 gprs modem user’s manual .............................................................................................. 1 1. Introduction ...................................................................................................
Edw-ml8021 gsm gprs modem user’s manual page 3 1. Introduction this document defines the edw-ml8021 module series and describes the hardware interface of the edw-ml8021 module that connects to the customer application and the hardware interface. This document can help customer quickly understand mod...
Edw-ml8021 gsm gprs modem user’s manual page 4 csd: ● support the protocols pap (password authentication protocol) usually used for ppp connections ● internet service protocols tcp/udp/ftp/http/mms ● support packet switched broadcast control channel (pbcch) ● csd transmission rates: 2.4, 4.8, 9.6, 1...
Edw-ml8021 gsm gprs modem user’s manual page 5 3. Application interface 3.1pindescription table 3 pin description pin name 1,4,6,7,8,9 nc 2 txd 3 rxd 5 gnd 3.2 operating modes the table below briefly summarizes the various operating modes referred to in the following chapters. Table 4 overview of op...
Edw-ml8021 gsm gprs modem user’s manual page 6 working rf band. Gprs idle the module is not registered to gprs network. The module is not reachable through gprs channel. Gprs standby the module is registered to gprs network, but no gprs pdp context is active. The sgsn knows the routing area where th...
Edw-ml8021 gsm gprs modem user’s manual page 7 state module function off the module is not running(power off) 64ms on/800ms off the module is not synchronized with network 64ms on/2000ms off the module is synchronized with network 64ms on/600ms off gprs data transfer is ongoing. 4. Mechanical dimens...
Edw-ml8021 gsm gprs modem user’s manual page 8 5. Product list name unit quantity describe picture edw-ml8021 item 1 module antenna item 1 standard supply power adapter item 1 dc 5v2a rs-232 cable item 1 standard supply.
