How many PRI and/or BRI ports does Liberator support?
The maximum number of PRIs and/or E1 interfaces is four. The maximum number of BRI interfaces is 16 (32 “B” channels). Different models support different combinations and the BRIs can be NT only(network presenting) or user-switchable between NT/TE (TE connects to a network). When using TE ports a crossed cable is required. Liberator is available with a single PRI/E1; a single PRI/E1 and which is subsequently remotely upgradeable to 2, 3 or 4 PRIs, 2 PRI/E1s which can be remotely upgraded to 3 PRIs, 3 PRI/E1s upgradeable to 4, or 4 PRIs. Models support 0, 4, 8 or 16 BRIs and optionally 4 port versions which can be field upgradeable to 8 and 8 port versions which can be remotely upgraded to 16 BRIs.