E1 card can only be inserted into VL series.(VL2000/VL3000)

• Card Capacity : 1 E1 PRI
• E1 Interface : 1Port(Operation) / 1Port(for Backup)
• E1 Digital : ISDN PRI(R2 Unsupported)
• CODEC : PCMa/PCMu
• LINE CODING : HDB3, AMI
• OP MODE : User/Network