A . A.8信道语音板卡SHT-16B-CT/PCI及16信道数字E1语音板卡SHD-30A-CT/PCI/SS1。
B . B.8信道语音板卡SHT-16B-CT/PCI及32信道数字E1语音板卡SHD-30A-CT/PCI/SS1。
C . C.16信道语音板卡SHT-16B-CT/PCI及16信道数字E1语音板卡SHD-30A-CT/PCI/SS1。
D . D.16信道语音板卡SHT-16B-CT/PCI及32信道数字E1语音板卡SHD-30A-CT/PCI/SS1。