
Table 2-13.  Circuit Pack and Auxiliary Equipment Leads (Pinout Charts)
| 
 | 
 | 
 | 
 | Data | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | Digital | Line | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 
 | Connector | Analog | Line and | and | Digital | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | ISDN | ISDN | 
 | 
 | 
 | 
| 
 | 
 | Analog | Digital | Line | 
 | 
 | 
 | 
 | CO | DID/ | 
 | DS1 | BRI | BRI | Packet | Four | |||
| 
 | 
 | Pin | Line | Line | Line | Hybrid | MET | AUX | CO | Trunk | DIOD | Tie | Tie | Line | Line | Data | Port | ||
| 
 | Color | Numbers | 8 ports | 16 ports | 24 Ports | Line | Line | Trunk | Trk. | Trunk | Trk. | Trunk | Line | DIOD | |||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 49 | 
 | T16 | PXT8 | T24 | 
 | 
 | 
 | 
 | 
 | 
 | LBACK2 | TXT12 | 
 | PXT12 | 
 | 
 | ||
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 24 | 
 | R16 | PXR8 | R24 | P+8 | 
 | 
 | 
 | 
 | 
 | 
 | LBACK1 | TXR12 | 
 | PXR12 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 50 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 
 | 25 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
Continued on next page
†The wire colors in this chart apply only to B25A and A25B cables. 
The following abbreviations apply for all circuit packs unless otherwise noted:
| T,R | PBX transmit voice | T Tip (A) Green | |
| T1,R1 | PBX receive voice | R Ring (B) Red | |
| M | PBX transmit signal | S Sleeve | |
| E | PBX receive signal | PX PBX transmit | |
| TX | Terminal transmit | 
 | |
| LI, LI* | Digital Trunk IN | 
 | LO, LO* Digital Trunk OUT | 
| The following wire colors apply in the above chart: | |||
| W White | S | Slate (Grey) | |
| BLBlue | R | Red | |
| O Orange | BK | Black | |
| G | Green | Y | Yellow | 
| BRBrown | V | Violet | |
| 2 Installation Completion and Cable Pinouts | DEFINITY Enterprise Communications Server Release 6 Installation and Test for Compact Modular Cabinets 555 | 
| 
 | |
| 
 | 128 | 
| Page  | Issue 3 May 1998 | 
