The Definitive Guide to Pepwave MAX Serial Ports

Some Pepwave products come with serial ports, all of them are RS232 DTE. Here are the different form factors you will encounter, and how to connect them:

- Terminal Block

Found on the MAX Transit, BR1 ENT, HD2 Mini, and BR1 Slim.


These operate in DTE mode, with pinouts as printed on the router.

- DB9 Serial Port

The MAX BR1 M2M comes with an integrated DB9 Serial Port. This is a standard DB9 male serial connector operating in DTE mode, with the pinouts as follows:

- Serial Port Adapter

An optional Port adapter (ACW-411) is available for the BR1 Mini. This is a standard RJ45 serial connector operating in DTE mode, with the pinouts as follows:

Flow Control Requirements

Hardware Flow ControlSoftware Flow Control
BR1 Mini:NoNo
Other MAX Routers:YesNo

For Software Flow Control, both ends must be using the same configuration. Therefore, the remote end device should also turn off Software Flow Control.

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Is it possible to use serial port (RS232) on BR1 ENT, MAX Transit as a source of informations? Not for OOBM, but for communications with cars?

Thank you for your effort.

What would be the standard pinout to connect a regular ethernet cable to a MAX BR1 ENT then? If the other end is the standard white/orange, orange, white/green, blue, white/blue, green, white/brown, brown sequence, what wires would I connect to the terminal block for TX, RX, RTS, and CTS?

Basically you need to understand the other end device console port pin in/out inorder to decide how to connect the cable. Below are one of the example for Cisco Router.

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Is the ACW-411 performing an industry standard activity here to split LAN and Serial or is it Peplink proprietary? Is it active (ie powered by the BR1 LAN port) or passive?

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ACW-411 is a Peplink proprietary stuff and it is a passive device. This device doesn’t support hardware flow control, i.e. DTR, DSR, RTS and CTS pins are not included in the device.

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