Verilink DCSU 2911 (880-502647-001) Product Manual - Manual (Page 53)

DCSU 2911 E1 Craft Interface
Verilink DCSU 2911 User Manual 4-7
Timing Options
Submenu
Display this menu by typing the command T from the top
Configuration Menu. (See Figure 4-3.)
Figure 4-4 DCSU 2911 Configuration Menu (Timing Options)
The following timing parameters can be chosen from the DCSU:
Sn Frame Alignment Signal Error (FASE) Alarm Category: This option indicates the
number of FAS errors has exceeded 10 -3 . A FAS bit error occurs in bits 2-8 of
the FAS frame and bit 2 of the non-FAS frame.
A minor FASE alarm is indicated by a yellow light on the network LED. A major
FASE alarm is indicated by a red light on the network LED, and the alarm relay is
activated.
1) MINOR
2) MAJOR
Mn Framing Mode: Use this option to select the type of framing which matches the
E1 framing supplied by the carrier.
Channel 31 is automatically selected as the inband signaling channel. Data
using this inband channel will be lost, so redesign any circuits using this
channel before enabling the inband signaling.
Support for the CAS, CCS, and G703 framing modes is planned for a future
release.
1) CAS
2) CCS
3) 31
CHANNEL
4) G703
Nn Alarm Declare Time (sec): Use this option to indicate how many seconds will
elapse before a message regarding a problem displays.
0 .. 127
seconds
0 to disable
Pn Idle Pattern: The idle pattern is a code transmitted when there is no user data
on the net. The entered value is converted into binary code.
0 .. 15
Bn Enable Inband: This is not an E1 supported option.
Ln Inband Timeslot: Since Enable Inband is not an E1 supported option, this is also
not a supported option.
T Timing Options: Figure 3-4, Table 3-5, Figure 3-5, Table 3-6
X Exit this screen.
Command Description Options
-- DUAL CSU 2911 CONFIGURATION MENU (TIMING OPTIONS)--
Current shelf timing source: Card 1, INTERNAL (PRIMARY)
Source Synchronization Auto Restore
PRIMARY PS) INTERNAL PA) NO
SECONDARY SS) INTERNAL SA) NO
TERTIARY TS) INTERNAL TA) NO
R) Receive clock from shelf: NO
X) exit this screen
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