### Span  1: B4/0/1 "B4XXP (PCI) Card 0 Span 1" (MASTER) AMI/CCS 
  1 BRI        Clear       (In use) (SWEC: MG2)  
  2 BRI        Clear       (In use) (SWEC: MG2)  
  3 BRI        Hardware-assisted HDLC   
### Span  2: B4/0/2 "B4XXP (PCI) Card 0 Span 2" AMI/CCS RED
  4 BRI        Clear       (In use) (SWEC: MG2)  YELLOW
  5 BRI        Clear       (In use) (SWEC: MG2)  YELLOW
  6 BRI        Hardware-assisted HDLC   YELLOW
### Span  3: B4/0/3 "B4XXP (PCI) Card 0 Span 3" AMI/CCS RED
  7 BRI        Clear       (In use) (SWEC: MG2)  RED
  8 BRI        Clear       (In use) (SWEC: MG2)  RED
  9 BRI        Hardware-assisted HDLC   RED
### Span  4: B4/0/4 "B4XXP (PCI) Card 0 Span 4" AMI/CCS RED
 10 BRI        Clear       (In use) (SWEC: MG2)  RED
 11 BRI        Clear       (In use) (SWEC: MG2)  RED
 12 BRI        Hardware-assisted HDLC   RED