The original ASRB 64 PSTN voice card for Huawei MA5616 ADSL euqipment!
Check the following price for different cards:
ADLE: USD 330 per piece, 32-line data card with 2 cables;
ASRB: USD 200 per piece, 32-line POTs voice card with 1 cable;
ASPB: USD 350 per piece, 64-line POTs voice card with 2 cables;
MA5616 Chassis: USD 400 per piece.
There are 4 solts on each chassis, you can select the cards according to your requirements.