Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DA-121I RFL Electronics Inc.
February 10, 2000 13 (973) 334-3100
“S” CODES
“S” codes appear in response to a “STATUS?” query. There are three “S” codes for the RFL DA-121I
when operated in a T1 or E1 system: S1, S2 or S3. Like the “P” code, this number is displayed in both
decimal and binary form.
A typical response to a “STATUS?” query looks like this:
* OK
CHANNEL CARD 3, TYPE 127
S01 = 3 (B00000011);
Table 5. Remote status messages (“S” codes) for a T1 or E1 system
S CODE Position Value Description
S1 B 0 0 0 0 0 0 0 0 1 T1 is detected
- - - - - - - ↑
T1/E1
0 E1 is detected
B 0 0 0 0 0 0 0 0 1 SCB configuration errors detected
- - - - - - ↑ -
CONFIGURATION
0 SCB configuration errors not detected
B 0 0 0 0 0 0 0 0 1 Remote loopback ON
- - - - - ↑ - -
REMOTE LOOPBACK
0 Remote loopback OFF
B 0 0 0 0 0 0 0 0 1 Local loopback ON
- - - - ↑ - - -
LOCAL LOOPBACK
0 Local loopback OFF
B 0 0 0 0 0 0 0 0 1 Service ON
- - - ↑ - - - -
SERVICE
0 Service OFF