Nortel Communication Server 1000S Installation And Configuration Manual page 32

Page 32 of 394 ISDN Primary Rate Interface equipment overview
Figure 5
NT8D72 PRI faceplate layout
J1
RCV
XMT
J2
J4
J5
J3
J6
553-3001-201 Standard 2.00
OOS: Card is out of service
ACT: Card is enabled
LOCAL: Local alarm - local card or transmission fault
RAI: Remote alarm - far end fault
LBK: Loop -back test - see PRI tests
RCV MON: Access point to regenerated CEPT signal from
the external network
XMT MON: Access pont to CEPT signal being transmitted
J1 and J2: Buffered recovered clocks derived from external
carrier facility (Ref 1 & 2)
J4: CEPT interface to the external digital carrier
J5: D-channel interface (DCHI) for common channel signaling
J3: Standard 18-pair connector to Core Switch Network Loop
J6: RS-232 interface to echo canceller (satellite
transmission only). Test port only.
September 2004
553-7336