T1, DS3, E1, E3 PICs

Unified ISSU supports the following PICs on M120, M320, and T320 routers; T640 and T1600 routing nodes; and the TX Matrix routing platform:

4-Port T1 PIC (PB-4T1-RJ48)
4-Port DS3 PIC (PB-4DS3)
4-Port E1 RJ48 PIC (PB-4E1-RJ48)
4-Port E1 Coaxial PIC (PB-4E1-COAX)
4-port E3 IQ PIC (PB-4E3-QPP)