It's located right after you pass through the ticket gates. You'll find it right next to the ticket machines.
Maybe it's a good idea to wait here until the last minute before heading down to the platform, as it might help you avoid the heat or cold while waiting for the train.

It's located right after you pass through the ticket gates. You'll find it right next to the ticket machines.
Maybe it's a good idea to wait here until the last minute before heading down to the platform, as it might help you avoid the heat or cold while waiting for the train.