NULL MODEM CABLES
These are the cables you need to flash the REPAIR firmware.
Try to make sure you are using a standard desktop pc with a 9 pin com port built in (no usb adapters), preferably running XP, and that the cable is a 9 pin serial CROSSOVER cable , known as a null modem cable, with 9 pin D plugs on both ends, as shown below
Also ensure you are using the correct bin files for the model of spiderbox you are fixing, each model has its own files
If you have a computer or a laptop with a 9 pin serial com port which is male on the back all you will need is this cable, bear in mind modern pc towers , desktops and laptops DO NOT HAVE the 9 pin serial com port required, do not mistake the 15 pin blue VGA port for a com port, its a video port for a monitor, NOT a com port
Female to Female Serial Null Modem Cable which looks like the picture,
Heres the NULL MODEM CABLE Code L71BT from m*pl*ns
they are a lot cheaper on @uct1on sites
they are also known as CROSSOVER cables due to the fact that pins 2 and 3 are "crossed over" when connected
Simple Null Modem Cable
pin 2 is wired to pin 3 (Rx to Tx)
pin 3 is wired to pin 2 (Tx to Rx)
pin 5 is wired to pin 5 (Ground)
only 3 wires are needed so its very easy to make your own bespoke lead
if you need the one with handshaking then look at the pinouts on here
Code:
_http://digital.ni.com/public.nsf/allkb/1EE0DD8AF67922FA86256F720071DECF
Null Modem Cable with Handshaking
pin 2 is wired to pin 3 (Rx to Tx)
pin 3 is wired to pin 2 (Tx to Rx)
pin 5 is wired to pin 5 (Ground)
pin 7 is wired to pin 8 (RTS to CTS)
pin 8 is wired to pin 7 (CTS to RTS)
an RS232 cable is incorrect as its STRAIGHT WIRED and is usually male to female plug and socket , it can be used to extend a null modem cable however
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